Nim's island is the most beautiful island in the whole world.

It's in the middle of the wide blue sea, where she lives with her father Jack, an iguana named Fred, a sea lion called Selkie and a turtle called Chica. Her life is totally different from everyone else's — but Nim loves it and she wouldn't swap places with anyone.
But one day Jack gets stranded in his sailing boat, a even though Nim is a tiny bit afraid, she must be bra; Disaster is threatening her beloved home and needs help from her friends — old and new, Who will come to Nim's rescue?