"I don't need the money. Can’t you just come and hang out with me every day?" Kang-tae, who has become strong, lives the life of a fighter. One day, at the request of his friend Fay, he invades the penthouse. However, in the house, there is one thing that Kang-tae is afraid of, a wolf. Kang-tae face's the house owner, Leon, in the midst of being cornered by the dog. Wait, Leon already know Kang-tae? Kang-tae makes a mistake with Leon during the period of heat, which only gets worse. Kang-tae decides to take responsibility. I can't marry you, but I can be your friend!