The trials and tribulations of a sea otter pup growing up on the coast of California. The Californian Sea Otter is one of the rarest, and cutest, animals in the world. So when a sea otter mum decides to have her pup amongst the yachts of a millionaires' marina it is a unique event. The mum must teach her baby how to dodge the boats and find the food in this busy harbour. However the arrival of a tough male sea otter signals disaster for the family. When mum is attacked, the poor pup is left on her own and must fight for survival.