Luu Tinh is given a chance to travel back to the day she first met her lover, hoping to prevent their inevitable breakup. She aims to uncover the true reasons behind their separation. However, her journey takes an unexpected turn when a stranger, whom she's never encountered before, falsely claims to be her friend. This seemingly minor deception inexplicably triggers a profound butterfly effect, altering the course of events in ways she couldn't foresee. As Luu Tinh becomes deeply immersed in this new reality, she's constantly aware that this world isn't hers to stay in forever; she must eventually return to her original timeline. The central dilemma for her is to understand what she should gain from this experience, what her heart truly desires, and what she will ultimately take away from this altered existence. 'Jiang Ly, I have to leave you,' she confesses. 'This world doesn't belong to me; I must return to my own.' This story features a gentle and refined male singer paired with a sensitive yet optimistic healing girl.