Synopsis

A routine phone call led two members of the team to the discovery of a bomb. They initiated an evacuation, but a handful remained inside the building alongside Mac and Flack when the device detonated. In the aftermath of the explosion, the CSI team faced a desperate race against time to identify the bomber, shadowed by the grim possibility of losing one of their own. Mac, meanwhile, was forced to confront the lingering weight of a decision made in Beirut during the 1983 conflict, a decision that