Krisztián is 36 years old and lives with his mother. He is currently unemployed, but he is busy. At night he wears a bat costume and walks the streets, pubs and nightclubs of Budapest. He faces drug abuse and violence, helps homeless people, troubled citizens, drunken youth and anyone who he can. If he sees injustice, violence, misbehavior he fights. Due to his unusual appearance, this mostly proves to be enough, however, when things get worse, he calls the police.