I.

The body was found in Lake Michigan on a Wednesday, which was inconvenient because Wednesday was press deadline day and Doc Donovan already had three stories to file.

She had been floating face-down near the Navy Pier, wearing a white dress that had cost forty dollars at Marshall Field's and now cost nothing, because dead people don't need dresses. Her name was Claire Beaumont, and she had been the most famous woman in Chicago for six months, ever since the Associated Press had run the story about her "bubble irrigation system" that had supposedly saved the Midwest drought.

Doc had known it was a lie. He had known it from the first photograph—a pretty blonde woman standing in front of a field of green crops, smiling at the camera, her hands stained with chemicals that were probably not hers. He had known it because he had spent the previous three months investigating the oil companies that had funded her research, and he had known it because the woman he had met at a bar two weeks before she died had told him she was afraid.

Her name was Martha, and she had worked as Claire's lab assistant. She had told Doc over a drink at the Purple Onion, her hands shaking so badly she could barely hold the glass: "She found out about the money. The oil companies—they're using her formula to move crude through pipelines that can't handle the viscosity. The bubbles aren't for irrigation. They're for transportation. And when she tried to tell the press, they paid her to shut up."

Doc had written the story. It had run on a Sunday, in the bottom right corner of page twelve, beneath the horoscope and above the classifieds. Nobody had read it.

Claire had died four days later.

II.

Jack "Doc" Donovan was thirty-eight years old, a former war correspondent who had lost his left leg at Belleau Wood and his right eye to a bottle of rye whiskey that turned out to be bathtub gin. He worked for the Chicago Tribune as an investigative reporter, which in 1947 meant he spent most of his time writing about charity balls and debutante presentations while his editor, a man named O'Brien who had been born with a silver spoon in his mouth and a corrupt heart, told him to "stick to fluff."

Doc didn't stick to fluff. Fluff stuck to him like tar.

He had been investigating the bubble system for months, ever since an anonymous tip had arrived in a plain envelope with no return address. The tip contained financial records showing that Beaumont Agrochemicals—Claire's company, or the company that claimed to be hers—had received $2.3 million in venture capital from three oil companies that had no business investing in agricultural technology.

The money had come from Standard Oil's Midwest division. The technology had been patented under Claire's name. The profits had gone to a shell company registered in Delaware. And Claire, the brilliant chemist and innocent inventor, had received a salary of $15,000 a year, which was generous by most standards but pocket change for the woman who had created a technology worth millions.

Doc had gone to see her at her laboratory on the north side of Chicago, a converted warehouse that smelled of chemicals and ambition. She had been twenty-six years old, bright-eyed and convinced that science could save the world. She had shown him the bubbling fluid in a beaker, explained the surface tension mathematics, and told him about her dream of irrigating the drought-stricken Midwest.

She had seemed genuine. She had seemed innocent.

She had also seemed nervous, Doc realized now, glancing at the autopsy report on his desk. Nervous and afraid and trying very hard not to show it.

III.

Captain Mike O'Brien was Doc's contact in the Chicago Police Department, which was to say he was a cop who occasionally bought Doc a drink and occasionally told him things he wasn't supposed to know. O'Brien was forty-five, fat, corrupt, and the closest thing Chicago had to a man with a conscience, which was to say he was corrupt in a way that occasionally served justice.

"She drowned," O'Brien said, over drinks at a bar near the Loop. "Officially."

"Officially," Doc repeated.

"Unofficially, she was swimming. Not in the lake—in something else. She found out what the bubble fluid was really being used for, and she was going to go public. Someone didn't want that."

Doc lit a cigarette and watched the smoke rise. "Who stands to lose if she goes public?"

O'Brien leaned forward, his face gray in the neon light. "Every oil company in the Midwest. Every politician who's taken their donations. Every cop who's been paid to look the other way. You're chasing a snake, Doc, and the snake has teeth, and the teeth are very sharp, and they're very expensive."

"I'm a reporter," Doc said. "Expensive is my middle name."

"It's not," O'Brien said. "It's Francis. But I know what you mean."

IV.

The investigation led Doc through a maze of shell companies, offshore accounts, and bribed officials. He followed the money from Claire's laboratory to a bank in Zurich, from Zurich to a lawyer in New York, from New York to a politician in Springfield who had campaign donations from every major oil company in the state.

He found Martha again, two weeks after Claire's death. She was working as a waitress at a diner on the south side, her hands no longer shaking, her eyes no longer afraid. She told him everything: the meetings with oil company executives, the pressure to sign over her patent, the threats when she refused.

"They told me I was naive," Martha said, pouring coffee into a chipped mug. "They told me Claire was using me, that I was the one doing the real work, that I deserved more than a salary. They offered me fifty thousand dollars to sign a statement saying I was the real inventor and Claire was just a figurehead."

"And you refused?"

"I was scared," Martha said. "But yes, I refused. And then Claire died, and I quit the lab, and I haven't been scared since. Because there's nothing left to be scared of."

Doc wrote the story. It ran on a Tuesday, in the same bottom-right corner of page twelve, beneath the horoscope and above the classifieds. Nobody read it.

But someone else did.

V.

Doc Donovan died on a Friday in November, in an alley behind a bar on South State Street, shot twice in the back by a man he had never seen and would never remember. The murder weapon was a .38 caliber revolver, the same caliber used by the Chicago Police Department. The bullet that killed him had been registered to Captain Mike O'Brien's service weapon.

The story about Doc's murder ran on a Saturday, in the bottom right corner of page twelve, beneath the horoscope and above the classifieds. Nobody read it.

But Martha read it. And Martha did what reporters couldn't do: she went to the press. She stood in front of the Chicago Tribune building with a microphone and a story and a determination that Doc had taught her, and she told the world what the bubble fluid was really for, who had killed Claire Beaumont, and who had killed Doc Donovan.

The story ran everywhere. The investigations began. The oil companies denied everything. The politicians blamed each other. The cops looked at their shoes.

And in a cemetery on the north side of Chicago, two headstones stood side by side: Claire Beaumont, 1921-1947, and Jack Francis "Doc" Donovan, 1909-1947, with an epitaph that nobody had paid for and nobody had requested:

Here lie two people who tried to tell the truth in a city that paid people to lie. The truth lost. But the truth is patient. The truth waits. And one day, the truth will come back, and it will be very expensive.