Jesse Jensen

Finch tries to protect a 911 operator by going under cover in an emergency call centre; the threat proves to be larger than anticipated.

The team search for a link between a current string of murders in Las Vegas and a notorious mob boss who disappeared in the 1970s.

In light of new information, Lily reinvestigates a case from 1978 involving the death of teenage rollerskate enthusiast Missy. They trace Missy's life, her family, her friends, and the roller skating circle to find what actually caused her death.