A four-leaf clover badge thirteen years ago made him feel tenderness for the first time in his lonely and cold life. He and she, strangers to each other, have been intertwined by fate ever since. Thirteen years later, under his painstaking arrangements, he and she met again "accidentally". For him, everything seemed to go from being unfamiliar to being familiar to being passionate. Underneath the beautiful love lies the cruel truth. What is her life experience? What is the unbearable connection between her and his family? Will the love between the two of them fall apart due to this connection?