Seong Gi-hun, Korea's most beloved actor, never expected his life to change at a single gala dinner. There he meets the mysterious and charismatic Hwang In-ho-only to later discover a shocking truth: In-ho is not one man, but two identical twins, In-ho and Byung-hun, secretly ruling the underworld as the ruthless mafia empire Shadow Storm.
When fate forces Gi-hun into marriage with them, his world turns into a storm of secrets, jealousy, passion, and forbidden love. Between mafia wars, hidden tenderness, and his own rising career, Gi-hun must decide if his heart can truly belong to both men... while the twins fight to prove their love is real.
Dark romance, soft family moments, comedy, mafia drama, and the promise of a love strong enough to overcome everything-even fate.
As the front man of a deadly survival game, it is In-ho's job to make sure the plan goes accordingly, and to do so, he must portray as an ordinary player in the game, but there seems to be a distraction along the way as he encounters a former champion, Seong Gi-Hun. He didn't seem to care at first; he just had to do his job. However, he slowly starts to develop feelings, which interfere with his mission. Will he stick to the plan or follow his heart?