When Detective Lena Moretti reopens the murder of accountant Elias Ward, all evidence points to her former partner, Darren Cole, who left the force right after the killing. Meeting him in a rain-soaked jazz club, Lena learns that Ward was part of a money-laundering scheme involving a powerful judge—and that Darren had been working undercover to expose it. He hands her a flash drive full of damning evidence, but before he can reveal more, a bullet ends his life. As the music keeps playing and the killer slips away into the night, Lena vows to uncover the truth and finish what Darren started—even if it means taking on the corruption inside her own department.