Andrea has a shark phobia. Alone in the swimming pool at his sports club, when he’s under water, he keeps looking around him , irrationality and fear getting the upper hand. Urged on by pride and embarrassment, he makes another dive, in desperation. This time during the “attack” something happens inside: images and voices from his present life, including that of his three-year-old son, crowd his head and force him to face the “beast”.