Detective Lindsay Monroe joins the CSI team. Her first case leads her to New York's zoo, where a dead man has been found in a tiger's cage. However, it is soon stated that the man wasn't killed by the tiger, but by another person.

A young girl lands on the windshield of the car. Her feet tells Stella that she was a dancer. Lindsay Monroe works solo on the death of an old tram driver. She soon realizes that her case is related to the first. The third case involves the death of a fish merchant. He died from a fatal wound caused by a swordfish.