Leslie and Justin try to reunite Leslie's Mom with an old flame for Valentine's Day, only to discover he's a total loon. And Justin's rude behavior during the entire episode causes Leslie to look at him in a new light.
Amy feels competitive when Glenn publicly congratulates Jonah on his superb test results; Cloud 9 employees are on their best behavior in anticipation of a secret shopper.
Earl makes a young boy afraid of the dark by hiding under his bed.
Gang members steal Detective Salinger's weapon; a man exposes himself to Detective Adams.
Kate accidentally sleeps with an escort; Andi and Bobby have a rat in their attic; Will is convinced that Lowell has taken his jacket.