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After his father’s demise at the hand of Gaya Hotel Group, Han Yi Soo (Kim Nam Gil) has lived for one thing only: Vengeance. Ready to hatch a plan to bring down his nemesis once and for all, Yi Soo goes to extremes in not only changing his identity, but also his face. But there's a huge obstacle in Yi Soo's way: his inconvenient love for Jo Hae Woo (Son Ye Jin), the heiress to Gaya Hotel Group. Along with being enmeshed within an ill-fated love, Yi Soo's cover gets blown, which has him running for his life like his father once did. You either sink or you swim, but what if the water is full of sharks?