The Turkish series "Masumlar Apartmanı" is a psychological drama about the consequences of childhood traumas, based on the novel by writer and psychotherapist Gülseren Budayıcıoğlu. Han, a successful young entrepreneur, returns from America to his homeland to take care of his three younger sisters after the death of their parents. It turns out that each of the girls has serious psychological problems. In order to help his sisters, Han gives up his usual life and locks himself with them within the four walls of their ancestral home.