The gang helps Brandon repair the Walsh house after it falls out of escrow, and Steve decides to move in with him and Valerie. Kelly prepares to celebrate her 21st birthday party at the Greek Concert Hall with the gang. Ray becomes the prime suspect in the theft of money and several jewelry items from Donna's parents and others. But Valerie exposes Ginger as the culprit which at the end is revealed to be a scam for the gang to get to like Valerie again. Meanwhile, Dylan goes off in search of the mobster, Anthony Marchette, who was the mastermind of his father's death and decides to commit himself to a personal revenge against him.