Gifts commemorating Billie and Aidan's one-month anniversary cause a train accident.
Aidan pretends to be Billie's cousin in order to meet a famous author.
Cheryl dates a much younger guy who believes they are the same age; Ed reveals he is a virgin to the girl of his dreams; Billie regrets secretly signing up Aidan for a talent show.
Aidan works a wedding dinner for one of Billie's friends.
Billie and Aidan's birthdays fall only days apart; Billie searches for the perfect gift.
A book editor (Susan Floyd) in her mid-30s falls for a room-service waiter (Thomas Newton) in his mid-20s.