Castle
To Love and Die in L.A.
S3 E22:
While investigating the shooting death of her ex-partner in New York, Beckett comes to believe the suspect has fled to Los Angeles. Against orders, she travels to LA, going renegade to track down the killer, with Castle unexpectedly along for the ride.
Starring
Gene Simmons, Dominic Purcell, D.B. Sweeney