After discovering his blood-soaked daughter dead in the bathtub, David Bryson attends a self-help group to help save him from his ghostly nightmares. But when a group of mysterious cult-like women offer to help him resurrect his daughter. David's choices will not just decide his fate... but the fate of his dead daughter's SOUL.。近未来,S组织已经掌握了基因改造技术,他们制造超级士兵,以此来改变世界格局。而其中初代的基因改造战士“巽狼”于实验中发生意外,他回想起已经被删除的片段记忆,曾经的名字“乾武”。于是他从S组织逃离,去寻找丢失的记忆。
在躲避组织的追杀过程中,乾武逐渐回想起了自己的过去,并通过寻找家人等一系列冒险的经历,最终找回真正的自我,完成了自我救赎……。