Jules, 18 years old, reluctantly spends his holidays in the naturist campsite of his childhood. He is torn between his attraction for the beautiful Karim, a seasonal worker on the textile beach, and the depression of his mother Adèle, who refuses to let him grow up.

炎炎烈日下，17岁的珀迪和他15岁的弟弟马肯齐相依为命，艰难求生。珀迪在一家酒店大楼里打扫卫生，马肯齐偷窃游客钱财。在青春期的鲁莽和成年人生活的艰难中，他们不得不在这个令人心碎的甜蜜旅程中相互支持。这或许是他们青春期的最后一个夏天。