"The rescue must be tonight!" When horseshoe crabs were stolen from a protected wildlife area, mermaid Roselia knew she had to do something--and fast! Seeking help from a large dragon and a human friend, she created a plan to save them. Join our trio in a race against time to find the captured horseshoe crabs, help them escape, and lead them on a journey back to the ocean. After all their efforts, they find the poacher waiting at the finish line to recapture the crabs! Will they be able to make it back home after all?