Notorious for his coldheartedness, Grim Reaper 444 is a big name in the otherworld. But his newly assigned partner threatens to ruin his reputation.

Devastated Ha Ram blames herself for Moo Gang's memory loss. 444 is desperate for Ha Ram's help, but Ha Ram isn't easily persuaded.

Determined to save the boy, Ha Ram heads back to the city of Mujin alone. Black is reminded of his consequences if Ha Ram succeeds in her endeavour.