16-Year-old Yin Li and 26-year-old Li Zhenxuan admired each other and formed their first love. However, fate played a trick and he became her brother-in-law.
After five years of separation, time has finally changed the original heartbeat beyond recognition.
21-Year-old Yin Li and 29-year-old Lu Chen are entangled with each other and achieve a balance of interests. However, what he wants is not only a carnival after a conspiracy, but also her heart.
But in the end, she gave her heart, but got endless sadness?