After informing his CIA handlers that his next hit will be his last, John Hatch discovers that his target isn't a criminal at all. Refusing to take the woman out, Hatch instead takes it upon himself to protect her and expose the web of corruption at work.
Epicenter concerns brassy, beautiful Amanda Foster, a down-on-her-luck Los Angeles detective who's been assigned to protect a mobster-turned-State's-Witness, Nick Constantine, from the mob. On the night of the assignment, the city is rocked by a devastating earthquake, forcing Amanda and Nick to fight their way through the ravaged city streets while being pursued by ruthless assassins and corrupt cops.