After barely escaping from captivity to find a cure for her illness, she, Vincent, and rest of the other Reapers team up to defeat the ancient dark creature Legion, whose sole mission is to destroy the earth. But in the midst of the ongoing chaos, the brothers unearth a dark prophecy that may lead to the apocalypse. What's worse for Aramis is that it involves the man whom she realizes she still has feelings for: Vincent.

While suffering from an illness that may cost her her life, Aramis must do everything to end the madness once and for all. Now she must choose: Save the world, or save the man she loves.