Fang Yan (played by Wang Zhiwen) and Du Mei (played by Jiang Shan) are like all lovers. They experienced an unforgettable love in the separation of quarrels and then reunions. At first, the two did not get along well. First, Du Mei misunderstood that Fang Yan already had a girlfriend. Then Du Mei took the opportunity to reveal that she was going to a dance and tactfully invited Fang Yan to go as her dance partner. However, misunderstandings followed one after another, and the relationship between the two came to a standstill. When Fang Yan said, "I can't do anything," Du Mei said, "You can be my husband." Just like this, Fang Yan and Du Mei finally entered the marriage hall. Fang Yan is cold on the outside but warm on the inside. He loves Du Mei but is not good at expressing it. Du Mei is sensitive, and the conflicts with Fang Yan escalate frequently. It seems that their respective "rivals in love" have appeared around them. However, when they find that they are irreplaceable lovers in each other's hearts, everything is irreversible...