Guo Don Man (Pak So June) is a former taekwondist who used to be known in sports circles, but eventually turned into an ordinary fighter of mixed martial arts (fights without rules).
Choi E Ra (Kim Ji Won) is a woman who works in the information department of one of the department stores, but dreams of becoming a leading news program.
Heroes are long-standing good friends, they get along so much that they can even make fun of each other about past unfulfilled love relationships.