As a well-known doctor, Liu Yi is handsome and rich, but his love journey has been bumpy. He thought he would never fall in love again in this life, until she broke into his life: her natural conversation and occasional foolishness brought him joy and happiness; moreover, she seemed to be very obsessed with him. Since Lang has a love sister interested... Then they will live happily together from now on! However, it seems that this is not the case in reality. What should she do to make her sweetheart come back to her?