Victor invites Bo and Carly to a party celebrating his son Nicholas. Carly is shocked to learn about Nicholas's existence and confronts Vivian, who explains she never found the right time to tell her after Carly's miscarriage. When the camp Shawn-Douglas was attending gets cancelled due to chickenpox, Bo agrees to bring him to the party.
Carrie arranges for Austin to work as a pianist at the Alamain party, then decides to crash the event to hear him play.
In other developments, Molly moves into a college dorm for independence, and Brian abandons his new dog training job.
