A professor and ex-cop challenges Jessica to a race to solve a series of campus muggings.

Mort's brother Wayne is released from prison and arrives in Cabot Cove, looking to prove that serving time has changed him for the better. However, after Wayne's boss, a fishing boat owner, is suspected to be killed at sea, Wayne is the prime suspect. As a result, Mort turns to Jessica for help in keeping his perspective while trying to solve the crime.