Without a Trace (2002)

S5E6 The Calm Before

The team delves into the mystery of Aaron Gibbs' sudden disappearance, quickly uncovering that he had been deceiving his wife about leaving his job and was secretly participating in underground fight clubs at night. As they dig deeper, Jack and the others discover that Aaron's vanishing act is linked to a traumatic experience during Hurricane Katrina, when he risked everything to save his sons. Following the clues, they believe the events from that fateful night in New Orleans might unveil the truth behind Aaron's current situation.