Lulu is a lobster who yearns to become a champion dancer. However, after a dramatic experience at the prestigious 'Shell We Dance' contest, she quickly realises that to grow into her ambition, she is going to have to moult out of her shell. Leaving behind what she knows and exposing herself to her greatest fears, terrifies her, but after an inspirational interaction with a hermit crab fashion show, she learns that sometimes change can be necessary to unlock life's greatest adventures.