A 37-year-old man on the verge of being divorced from his wife suddenly finds himself inside his 18-year-old body. He starts living a new life under a new name to get closer to his children and protect them.

Do Il-Chool (Park Jung-Min) has a talent for playing poker and he is the son of Jjakgwi. His father was a gambler and had one ear cut off after he was caught cheating. Il-Chool meets mysterious gambler Aekku (Ryoo Seung-Bum) and gets involved in the master gambling world.

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