Survivor of a zombie outbreak back in '98, Zack had to witness his beloved being killed twice, the second time being a clone of them that stayed behind to die on the end of mission of his in Africa.

He's now back and trying to work on his mental health now that he's gotten a leave, but fate seems to have other plans for him when he's told another clone of his beloved had been found.

(Yes I am taking Chris Redfield as a base, but changing heavily)