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As the son of King Yeom-ra of the underworld, Jae-shin has lived a hedonistic life full of ever-changing bed partners and condescension towards humans. One day, however, he crosses a line and is given a rather unusual punishment: by day, he becomes a powerless puppy, and by night, he becomes a human. The only way to escape his punishment is to win over a human’s heart, which won’t be easy…especially when the human he sets his eyes on is sweet-natured prince Lee Nok. Will Jae-shin win over the prince? Or will Jae-shin be the one who is won over?

Im Hwapyung. A man who wants to live a normal life like his name. Everything he had in his mundane life was destroyed. [Your love has become my loathing.] You shouldn’t have messed with me in the first place. You should have just let me live a quiet life. And now he has began his move that none of his nemesis will survive his wrath. Moojokja, A Better Tomorrow (Cyungchan Noh), 무적자

Kang Taegun was an eager but bumbling assistant firefighter. But after Sergeant Lee Chaeyong and fellow firefighter Park Sungkyu are killed in a huge fire while trying to save Taegun, he is no longer the man that he once was... especially now that he can see how flames move and smoke flows! Although unsure of how this ability was ignited, Taegun is ready to use it to save lives. Will Taegun be able to master his new power to rescue those that cry for help?