Bin He carries a one-sided affection towards his closest companion, Hai, and feels dejected during their graduation trip as Hai plans to pursue a girl he fancies. In an attempt to cheer up, they decide to engage in a cordial diving contest. As they dip into the waters, Bin He spots a man shackled to a sunken ship. A love story that thrives in oxygen-deficient conditions then unfolds beneath the sea's surface. What consequences will this serendipitous occurrence bring forth? Manhua Original: Official Translation:
