Maya, a wood factory worker. After losing her parents, Maya had to struggle to support her younger brother, Adi. As an older sister, Maya always tried to keep Adi safe and out of trouble. Maya's efforts were successful a…

　　一名代号 13 的杀手在一次任务中险些失手，之后她被自己所属的组织“阴影”所停职。在一段时间后，这位杀手遇到了Monji，一个不幸失去母亲的小男孩。在Monji意外失踪后这位杀手开始了寻找Monji的路途，她甚至不惜对抗她所属的组织。