Swallows and Amazons (2016)

Four siblings seek adventure during a lackluster summer with their mother. Their excitement peaks when they receive approval to camp solo on a secluded island in a sprawling lake. However, their joy turns to uncertainty upon discovering they might not be the only inhabitants. As they navigate the challenges of island life, the children engage in a spirited contest for control over their newfound territory. Through this thrilling experience, they learn crucial survival skills, the significance of camaraderie, and the necessity of staying calm under pressure.