She has twenty-two dollars. He has a dead woman's face burned into his memory. And the moment he sees her, he decides she's never leaving. Elena Ross is twenty-one, broke, and out of options. Her mother is dying in a hospital bed she can't afford, and desperation has a way of making bad decisions look like miracles. Adrian Black is thirty-two, a billionaire, and cold enough to freeze a room just by walking into it. Every woman wants him. Every man fears him. He doesn't hire assistants — he collects them, uses them, forgets them. Until Elena spills coffee on his three-thousand-dollar suit and he looks at her like he's seen a ghost. He offers her twenty thousand dollars a month. Live in his penthouse. No boyfriend. No questions. Just be his — twenty-four hours a day, no exceptions. She needs the money. She tells herself that's the only reason she says yes. But Adrian Black doesn't want an assistant. He watches her sleep. He goes cold with rage when other men look at her. He says her name like it belongs to him. "You're mine, Elena." There's a locked room in his penthouse she's forbidden to enter. A dead woman named Sophia who looked exactly like her. A fiancée who corners Elena in the hallway and whispers one word: "run". Elena knows she should leave. Every instinct in her screams to get out before it's too late. But the devil she works for is the same devil she's falling for — and once Adrian Black decides he wants something, he never, ever lets it go. He hired her to work. Now he won't let her leave. A dark, possessive, age-gap billionaire romance. 18+. Obsessive love. Forced proximity. One dangerous contract neither of them can walk away from.