A serial bomber is on the loose. Will the team with the help from Caine's old bomb squad mentor be able to work out the puzzle and find the bomber?

Horatio, Calleigh and Speedle investigate the death of an exotic male dancer found dead after a sexual party, and must dig through the evidence to discover a motive. Meanwhile, Eric and Megan investigate the death of a man involved in diving that mysteriously died after climbing onto a random boat.