Alice falls in love with a divorced dad but she then learns that he has 3 kids. Alice becomes consumed by her fears and contemplates giving up until her old childhood imaginary friend, Mary, comes back.
Andy considers auditioning for the school musical, so Alice gets really involved and learns the emotional highs and lows of being a parent. Meanwhile, Dora creates her own feminist musical when she doesn't like the underlying message of Andy's show.
Andy has a hard time finding a prom date while Dora keeps turning away a guy who persistently asks her, but Alice tries to convince her to go. Meanwhile, Ben struggles to deal with kids growing up and tries to scare away Dora's date.
Alice faces a dilemma after trying to connect with Dora and turns to Mary and Ben for help. Elsewhere: Ben tags along with Andy, which threatens Andy's unique identity.
Alice wants to meet Ben's ex-wife but ends up needing to prove to her that she is a good influence on Bunny, Dora, and Andy; Andy and Dora try to pit their parents against each other for their own benefit.
Alice and Ben agree that Alice should start sleeping over when the kids are there. Ben's three kids seem OK with notion. In the end, Andy is the one most emotionally affected when facing the new family dynamic.
