For centuries, the eternal Rain Jewlitt has escaped attacks from assassins and bounty hunters who want to uncover his timeless secret. One of his pursuers, the Grim Reaper Zol, lost his life while attempting to kill Rain. In the wake of Zol's death, his 14-year-old granddaughter Machika vows to avenge her grandfather's death and put an end to Rain's immortality - but she soon realizes that the thin line between love and hate just might last forever .