In an alternate universe, Kali lives on the streets along with orphaned siblings Yakko, Wakko, and Dot in Acme Falls. Everything is gloomy and miserable. And it gets worse when Dot suddenly falls ill. That is until Wakko makes a wish on a star that lands somewhere in the mountains and whoever touches it first gets one wish. Now the Warners and Kali must race to get to the wishing star first in this heartfelt sing-along adventure.