A cinematic special for the Infinite Challenge skit, Muhan Company.

Three former mafia members work at a construction company to avoid getting involved in the underworld again. But fates draw them back to the past when a gangster approaches one of them.

A future in which the earth was destroyed by war and the population plummeted.Anita meets Tony (Jung Hee-chul), a swordsman, as the weak compete for power through violence.Anita asks Tony to help her brother Lee (Siwan) and best friend Jackie (Moon Joon-young) out of a fight between people trying to control the city.