It follows a pair of school sweethearts who parted ways and met again in a story about never giving up on love and bravely chasing after your dreams.
Zhou Xiao (Liu Renyu) is a big fan of detective novels. Zhao Fanzhou (Gong Jun) is a student of forensic science who is talented in the field. The two fall into a sweet romance, yet their story ends in a heartbreak when Zhao Fanzhou breaks up with Zhou Xiao. One day, they meet again.
