On a remote island in the Pacific, young Nim, who lives with her father in a small shelter, leads a life full of adventures. Her home is a true natural paradise where she feels free, surrounded by her friends: a friendly iguana, a sea lion, and a turtle. However, her world is turned upside down when her father disappears during an expedition for scientific research. Desperate and without the help of adults, Nim feels alone and lost, but she finds solace in the stories of her favorite book, featuring a brave and intrepid adventurer.
At the same time, in a very different world, the famous author of the adventure books, Alex Rover, is grappling with his own fears in his comfortable home. Upon learning about Nim's situation through a frantic call, Alex feels compelled to help her, despite his panic about leaving the house. So, with an innovative drive, he decides to embark on a journey to the island. What follows is a blend of imagination and ingenuity, where Nim must learn to trust her own abilities while Alex faces his fears. Together, they will push the boundaries of adventure, showing that courage can be found even in the most unexpected moments. In this mix of fantasy and reality, lessons about friendship, family, and the power of imagination are revealed.