Simon goes to the pool for a swimming lesson. Mommy and Gaspard accompany him. While they wait for him to finish his lesson, they go play in the wading pool. Though he is excited at the beginning of his lesson, Simon quickly changes his mind. Because before he can use the big water slide, he has to warm up and do a super complicated exercise. Pffff, this is way too hard. And to think that meanwhile, Gaspard is having so much fun in the wading pool with Mommy!