Nicholas, Matilda and Genevieve go to New York to practice traveling with the underground. Matilda wants to do the same track over and over while Genevieve goes out one night on her own.
Nicholas' single dad has very bad cancer and he's going to die, soon. So Nicholas offers himself up to be the guardian for his two teenage half-sisters. What's the worst that can happen?
Alex puts Nicholas in the naughty corner. Nicholas and Alex work through their relationship issues at home. Matilda and Genevieve find themselves confronting sexuality at school in very different ways. Genevieve is forced to grow up.
Matilda focuses on her relationship. Nicholas faces a reality check at Matilda and Genevieve's parent/teacher conference. He figures out how to get them to wake up and try.
Matilda brings a friend home to support her as she awaits some news. Gen and her friends devise a plot to help Barb. Nicholas' mom video chats with Nicholas, Alex and his sisters and their friends.
Nicholas thinks this calls for frozen mojitos. Matilda makes her girlfriend socially distance and it's atypically weird. Alex doesn't think Nicholas' new friends are fun.