The investigation into a drug heist offers brief glimpses into the private lives of the CSIs, whose nerves are on edge when they become suspects in the crime they are trying to solve.

Horatio is approached by a parolee he helped put away several years ago, who begs for the lawman's assistance in finding his missing teenage son. As the investigation gets underway, Horatio discovers that the boy may be planning a deadly assault. Elsewhere, Speedle becomes attracted to a sexy model who may be involved in her boyfriend's death.