Gu Jinlan and Song Youze have been happily married for four years. Gu Jinlan walked into the wrong room when they first met, and unexpectedly spent the night with Shi Ye. Song Youze was actually Shi Ye's pseudonym. Gu Jinlan didn't know it, so he thought he had slept with the wrong person. He was so embarrassed that he left an earring as compensation. When Shi Ye woke up and saw the earrings, he felt insulted and became furious. After a series of fateful tests, the two resolved all their misunderstandings and lived a happy life.