“Déjà Vu” follows ATF agent Doug Carlin as he investigates a devastating ferry bombing in New Orleans. Through a revolutionary technology that allows him to observe past events, Doug discovers he can travel back in time to prevent the attack and save a woman, Claire Kuchever, whose fate is intertwined with the bomber’s. As he delves deeper into the past, Doug uncovers a complex plot and finds himself falling in love with Claire, forcing him to confront the paradoxes of time travel and make critical choices that will alter the course of events, ultimately risking his own existence to stop the bomber and change the future.