故事以江户时代后期为舞台,最强死刑犯忍者「画眉丸」为了能再次与最爱的妻子见面,与处刑人「山田浅右卫门佐切」一同前往被称为极乐净土的小岛,找寻「不老不死的仙药」以换取无罪释放,并在岛上与神秘的怪物以及其他死刑犯互相残杀。。A documentary series that explores the furthest reaches of the internet and the people who frequent it, Dark Net provides a revealing and cautionary look inside a vast cyber netherworld rarely witnessed by most of us.。