The male and female protagonists grew up together as childhood sweethearts. Later, the male protagonist went abroad, lost his memory in a car accident, and forgot about the female protagonist. After getting married, he was extremely cold towards the female protagonist. He mistakenly thought that the other girl was his playmate when he was a child. He acted fiercely. The female protagonist was heartbroken and no longer loved the male protagonist. She and the second male protagonist came together. The male protagonist finally remembered it, but it was already too late. If you miss it, you will miss it.