It's Stella's birthday! An old friend drops in to wish her well, i.e. take over the whole party.
Stella wakes up on the beach, wondering what happened. Then, her feiends jump out of the bush to surprise her. Meanwhile, Gale notices what Stella's friends are doing and goes to stop them. Gale and the pigs try to outdo the Flock and plan a better birthday party. However, Stella does not approve of this.
Stella eventually starts having fun with Gale. They try to compete in dancing, with Stella winning. Luca gives Gale's crown to Stella. Gale is angry at this, and shuts down the party. At the end of the day, Stella is seen in her bedroom, still angry about the events of that day. Her friends come in to cheer her up, and it works. Stella then takes the frame Gale gave her as a self-gift and replaces the picture of a badly photoshopped version of her and a beautiful Gale with a picture of her friends.