Demons of the past come back to haunt Gibbs when he finds a cryptic message waiting for him at a crime scene.
Calvin decides to splurge on an expensive jacket, then worries it's too special to risk wearing outside the house; Dave and Gemma worry their new friends' daughter is a bad influence on Grover.
Chris agrees to help a classmate improve his grades in return for help getting attention from his crush; Rochelle befriends an ex-con who has moved into the neighborhood; Mr. Omar leaves Tonya and Drew in charge of caring for his fish.
Chris reluctantly agrees to hold onto a stash of marijuana but has a difficult time finding an appropriate place to hide it; Rochelle has to learn the beauty salon's new computer system.