With teenage sisters Olivia and Juliana growing apart after their dad's death, Olivia asks Juliana to go to a disco. Juliana's boyfriend Leo is against it, so Olivia wishes on her dad's disco ball that they would break up. Olivia is surprised to find that her wish comes true - Juliana and Olivia hang out without Leo and go to the disco together. only to have Leo show up too. As Juliana talks to him, a hurt Olivia remembers how their dad united her and Juliana using disco. In a disco dance, the two sisters apologize: Olivia for wishing that Juliana and Leo would break up, and Juliana for not spending enough time with Olivia.