Swim like a Dolphin

Fridolf isn't just any boy, and these aren't your typical swimming lessons. At his local, dilapidated swimming pool, Fridolf finds himself under the tutelage of an extraordinary teacher. Living in his own vibrant world, he hears seagulls and feels the crunch of sand between his toes, even within the confines of the pool. His father, however, remains detached, more engrossed in his "dumb phone" than the world around him, never once joining Fridolf in the water.
But things take a surprising turn when Fridolf accidentally splashes his dad's precious phone. And just what are sharks doing in the swimming pool?