Nash searches for a robber who disguises himself as a uniformed police officer; Joe gives Nick a driving lesson; Caitlin moves her things out of Nash's apartment; and Evan helps Cassidy move back on campus.

Nash goes undercover to bring down an international thief out to steal top-secret government computer chips; Evan returns to the force; Caitlin considers a promotion that would make her Nash's boss; a restaurant critic hires Joe to find out who's threatening to kill him.