A group of students boards a sailboat named "Sluggy" to tour New Zealand. Under mysterious circumstances, the ship drifts uncontrollably into the Pacific Ocean amidst a major storm. The children are shipwrecked on an unknown deserted island and face dangers, while they must show great courage and ingenuity to survive.

They hunt, fish, set traps, tame animals, and cultivate the land. However, disagreements and conflicts test their friendship and the cohesion of the group. When dangerous pirates are shipwrecked on the island, the children must overcome their differences to confront them. Will they manage to neutralize the villains and return to their families and homes?

Another exciting adventure from the great French author, combining enchanting descriptions, unbridled imagination, and a wealth of emotions in an unparalleled way.