Scarlett disappears after a one-night stand with wealthy heir Landon while she is on the run. Later, entrusted by her mentor, she returns as his grandson’s fiancée to help him become a qualified heir. What she never expected was that the man she is supposed to manage is actually Landon. Landon does not recognize that his fiancée is the mysterious woman from that unforgettable night. Instead, because he resents his grandmother’s arrangement, he treats Scarlett with hostility. In this life together under a mistaken identity, their relationship is caught between rejection and attraction, constantly pulling them closer while they struggle against each other.