On a stormy day, Pinkie struggles to come to terms that she is like other ponies, that she feels sad and lonely sometimes. When she learns that one of her best friends, Derpy Hooves is hosting a party for the Storm Crew, Pinkie gets excited, until she realizes that she's not invited. She must learn a valuable lesson in letting her friend have fun with other friends and give them space, even if she really wants to join in.