A comic drama depicting the story of a daughter-in-law who looks just like a chaebol, who looks just like her due to memory loss, and the story of a rogue sponsor, a corrupt prosecutor who accidentally changes her life. Cho Yeon Joo, a rouge prosecutor gets into a car accident. When she wakes up from a coma, her life changes as she is swapped with that of the youngest daughter of a chaebol, Kang Mi Na, also the daughter-in-law of BK Group, who just looks like her. Han Seung Wook is a chaebol, who still cherishes his first love. He left Korea because he felt the savagery of a fight for inheritance. He comes back to find the truth behind his father’s sordid death. When he meets his first love by chance, he does not want to lose her again.