Cai Tong'an, a young woman suffering from the pain of her wisdom tooth, decides to seek dental help. She ends up being treated by Dr. Xie Ruanqing, a talented and kind dentist. To her surprise, she is the same person she had a secret crush on during her university days. As Cai Tong'an and Xie Ruanqing reunite, old feelings begin to resurface.

Original Manhua: Kuaikan