Tang Xin only had Song Zhen in her heart. Maybe she didn't know her sincerity at first because she hadn't met him, but she still ended up with him after going round and round. Jingzhi, Tang Xin's brother has always taken care of Tang Xin and prevented him from getting hurt. Because he is a psychiatrist, his delicate and sensitive profession has seen all Tang Xin's defenses. Song Zhen is Tang Xin's final destination. The two have a deep love and connection. Because Song Zhen's younger brother Song Ning has heart disease, Song Zhen is a surgeon. She loves Tang Xin and loves her brother. She is lonely but longs for warmth. She is confident that she can make Tang Xin happy for a lifetime. However, there are always some unsatisfactory intertwined with disasters in life.