Bin He has an unrequited love for his best friend, Hai. During their Uni
graduation trip, Bin He was feeling down because his best friend is
finally going to pursue the girl he likes. They decide to have a
friendly diving competition. While diving , Bin He sees a man chained to
a shipwreck at the bottom of the sea. Beneath the sea begins an
anaerobic love. What will be born from this fateful meeting?