A young Hitman who lives with his mother catches feelings for the witness of a murder he commits.。陈润生被诱骗为盗墓队当导游，重访致弟妹丧命之地，苦劝无果反遭胁迫。他被迫同行，目睹贪婪者终遭报应，最终孤身逃出生天。。
