Lu Xingzhou and Gu Ning have been married for five years, yet have never stepped foot into the master bedroom. On their wedding night, Gu Ning rushed off to her male assistant's home, creating an unresolved knot in their hearts. Through five years of a cold war and tug-of-war, misunderstandings piled up layer by layer. As family secrets surface and the sealed-away truth is unveiled, the two let go of their prejudices, join hands to tear apart the dark curtain of family interests, and, after the pain, learn once again how to love and protect each other.