At Woo-jin's penthouse, Woo-jin reveals that Mi-do is actually Dae-su's daughter. Woo-jin had orchestrated everything by using hypnosis to guide Dae-su to the restaurant, arranging for them to meet and fall in love so that Dae-su will experience the same pain of incest that he did. He reveals that Mr. Park is still working for him and threatens to tell the truth to Mi-do. Dae-su apologizes for his involvement in the death of Woo-jin's sister and humiliates himself by imitating a dog and begging. When Woo-jin is unimpressed, Dae-su cuts out his own tongue as a sign of penance. Woo-jin finally accepts Dae-su's apology and tells Mr. Park to hide the truth from Mi-do. He then drops the device he claimed was the remote to his pacemaker and begins walking away. Dae-su activates the device to kill him, only to find it is actually a remote for loudspeakers, which play an audio recording of Mi-do and Dae-su having sex. As Dae-su collapses in despair, Woo-jin enters the elevator, recalls his sister's suicide, and shoots himself in the head.