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.

Alice is tasked in taking care of Bunny. A task she takes too far. Ben pressures Andy to take his driving test.

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 wants to meet Ben's friends, but Ben is hesitant. Later: he makes a startling admission after devising a plan to impress her.

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.

Ben plans to propose to Mary, but his plan gets complicated after the ring disappears. Later: Alice takes matters into her own hands.

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.