When her family died and her brother was in trouble, Huo Nian chose to fake a breakup and leave because of her terminal illness. She endured the pain and poverty alone, and recorded her care and reluctance for her brother in a diary, and eventually passed away with regret. After Huo Nian became famous, he learned the truth and fell into endless regret. He set up a charity fund in the name of his sister to help cancer patients and used his kindness for the rest of his life to make up for his regrets.