The monsters are ready for a relaxing day at the beach. However, the day is anything but relaxing! The group meets a young, lonely Loch Ness Monster named Gill who is scared of the water. They help Gill find the confidence he needs to go into the ocean and find his family.
After a bag mix up earlier in the day, Vlad and the monster gang become part of a crazy art heist. They've found the thugs who stole the art from the museum, but now they must find a way to save themselves!