One year after her journey with Nemo, Dory (voice of Ellen DeGeneres) is curious about her past. Unfortunately for her, her memory doesn't offer much help. But with Nemo and Marlin (voice of Albert Brooks) by her side, she embarks on a journey to uncover her roots. Who are her parents? Where did she learn to speak Whale?
Eventually, and after encountering their fair share of wild experiences, the trio manages to reunite Dory with her family. Their epic adventure teaches them more about the meaning of friendship and how truly important family is.