In the latest episode of Bad and Crazy, K appears in front of Soo Yeol while he is trapped in an elevator. K rescues him and heads to a mysterious place where Soo Yeol finds a necklace equipped with a camera. However, he leaves K behind while the self-proclaimed hero is still fighting against those who work for the corrupt detective, Do In Beom (Lee Sang Hong).
Later, Soo Yeol witnesses congressman Do In Beom killing someone through a video in the necklace he acquired. However, he decides to throw the necklace into the river instead of revealing the truth. Just then, K appears in front of him and snatches it from his hands. The vigilante then threatens him by saying, ŌĆ£I am the last hero on earth who came to bring justice into our world. Watch me and find out who I truly am,ŌĆØ and vanishes into thin air. Soon, Soo Yeol returns to the police station and meets Do Yoo Gon again, this time in person. Immediately after the uncanny encounter, K shows up and throws a high kick at the congressman without giving Soo Yeol the time to hesitate. It was then when Soo Yeol realized that K was himself all along. As the scene flashes through KŌĆÖs past actions, it is revealed that K was one of his alternate personalities. Source (1)