Six teenagers spend a day at a summer house waiting for a group of girls. Competitiveness and small aggressions are common currency but the danger of their childish attitude threatens them at every moment.
Three little sisters experience bewilderment due to their mother's sudden lack of attention, caused by the arrival of a new family member.
One night strange things begin to happen in the house; the water and the dampness start taking control and invading the place which forces Napo to face an invisible enemy and his own inner fears.