Watch The Idiot Returns (1999) Official Trailer

Frantisek, the main character is returning to his family. Until now he's been, "successfully" avoiding all relationships. He is an ingenuous and a pure person and thus, is regarded as an idiot. He becomes involved in various love and family conflicts. It is because he hasn't experienced much of the "real" life that he is able to perceive human relationships in their genuineness.