Twinkle Winkle lives in a flowery land that she loves very much. Every year all her friends get together for Spring Gathering were they welcome Spring and get to hang out together after the long winter. Twinkle Winkle is so excited for Spring Gathering that she makes a new outfit. After she gets ready, she decides to visit her friend Lou Lou to see if she needs any last minute help to prepare for Spring Gathering. Upon arriving at Lou Lou's, Twinkle Winkle discovers that they are missing the most important thing that makes Spring Gathering so special. They were missing Rainbow! Twinkle Winkle was not going to let Spring Gathering get canceled, therefore, she promised her friend Lou Lou that she would set out and find Rainbow. Does Twinkle Winkle end up finding their friend or does Spring Gathering get canceled?