CBS already released some tidbits for the May season finales...
Here's what will happen on #NCISLA:
Callen Races to Stop a New War in the Middle East While Discovering More About His Own Past on "NCIS: Los Angeles"
NCIS: LOS ANGELES-Callen (Chris O'Donnell) is in a race with a ruthless adversary to locate a woman who knows the whereabouts of a forgotten fortune earmarked to fund a new war in the Middle East. But for Callen, the woman also holds the tantalizing key to his past and the answer to the haunting question of who he really is on Tuesday May 25th.