He was about to marry her, but when he returned to China and wanted to propose to the girl he had been in love with for more than ten years, he lost her due to a deliberately arranged misunderstanding. That rival who was as good as him came only for revenge, but fell in love with her unknowingly...
He struggled in pain and hatred for two years, and when his inexplicably crazy sister regained consciousness again, he realized that the enemy he thought was just an imaginary enemy of his wishful thinking...
Things should have had a perfect outcome, but they became even more complicated and confusing. Why was the part about her completely missing from his memory? What makes a girl who is originally cheerful and never brings sadness to the next day crazy? What happened between them? An unknown secret has surfaced...