There’s a saying in the martial world: Chen Yi’s blade, Chu Kuang’s laughter.
Chen Yi is an assassin of mysterious origins, calm and steadfast. His blade can both kill and save.
He Bei Sha, known as Chu Kuang, is unrivaled in martial arts and wild and unrestrained. Yet he suffers from a strange illness and must take a miraculous medicine every fifteen days to stay alive.
One day, He Bei Sha sent someone to find Chen Yi because the medicine he relied on to survive had been stolen. And so their story begins...