He thought she was just a quiet neighbor with old music. She thought he'd never notice her at all. In a city that never sleeps, two haunted souls live side by side-sharing walls, secrets, and a love for late-night Sinatra. She's a criminal psychologist with a guarded heart and a record collection. He's a former assassin trying to forget how to feel. Neither of them expected company. But sometimes, love shows up like a song in the dark-familiar, unexpected, and impossible to ignore.