Annie and Ethan get paired up for a class project where they must take care of a baby. This time together forces them to see each other in a new light. At Silver's half-birthday party, Silver and Dixon continue to get closer. Meanwhile, Harry and Debbie must deal with Harry's past when Tracy tells Harry that she's hired an investigator to find their son. Elsewhere, Ryan tries to cope with Kelly leaving and decides to try online dating.

Harry and Debbie reveal to Annie and Dixon that Harry had a son who was given up for adoption 22 years ago. Meanwhile, Silver has the girls over for a girls' night, but the simple night together quickly escalates into a house party.