After a random school shootout leaves a scientist's daughter and the shooter dead, he uses nano-robots to look into a psychopath's memories to find reasons for violence and a way to treat it.。黎漾本是普通善良女孩,生活平静规律。一次西南之旅,彻底改变她的人生。旅行中,她撞见童年江衍被一群孩子欺负,小家伙无助又倔强地反抗。黎漾心生怜惜,果断出手赶走那群孩子。分别之际,江衍将腰间铃铛赠予黎漾,满是不舍与期待,盼着未来能再相逢。。