CSI: New York: The Ride-In

A man named Noah is found buried under cash after being shot. As Mac investigates he discovers that the Noah had built an ark and sold tickets to people after convincing them the world was about to end. Meanwhile, Stella investigates the death of a man in a cigarette costume and discover another attack related to his murder. Dr. Sid Hammerback has an allergic reaction to something he ate and Stella saves his life with CPR, but then worries that she exposed him to HIV.