Synopsis: This drama is about a man who makes a difficult decision to become a bad person in order to become a good father. Yoo Ji Cheol (Chan Hyuk) was a boxing world champion in his 20s. At the time, he gained fame, love and family, but after losing his 13th defense match, he loses everything. 11 years later, Ji Cheol decides to regain control of his life through mixed martial arts. Also known as:배드파파 Watch drama online for free.