在丈夫出差期间与继子偷情的穗奈美酱

　　堅持到底的瘋狂執著者、活力爆棚的樂天派、顏值爆表的潮流DJ志願生、腦洞大開的怪咖，還有直率爆笑的傻大姐——這五位從小一起長大的死黨，雖然個性南轅北轍，但卻默契滿點。在友情屆滿24週年的同時，他們終於迎來夢寐以求的「人生首次海外旅行」！只是沒想到，這場說走就走的旅程，卻秒變災難現場：走失、誤會、鬧劇不斷升級，他們能否克服重重危機，重新找回彼此？而這場瘋狂之旅的終點，會是一生中的難忘回憶，還是友情的轉捩點呢？

　　《蜘蛛男》是“江户川乱步作品集”第七卷。故事开头，怪绅士稻桓租下了一间事务所，把它重新装修成美术艺品店。第二天开业时聘用了一名十八岁的美少女，但当天晚上就奸杀了这名少女。接下来的几天内报纸社会版头条陆续刊登了“碎尸案”、“美人鱼案”。民间犯罪学者畔柳博士接手此案，在与蓝胡子稻桓正面交锋的过程中屡屡败下阵来，直到环游归来的明智加入侦破阵营……，故事从读者预测不到的角度展开，是一部名探与杀人狂的斗智故事。

　　The nightmare was about a demonic possession. A long time ago, there was an evil in a small town and it was jealous of the girl and would never let her go, since the devil loved the girl. One night, the evil raped the girl and she became pregnant. After months the girl could not hide her baby, her father figured her secret out and clapped the girl in irons and locked her room door. But the evil put the gun to her father' temple and saved the girl. The father had a stroke and had been sleeping on the bed for three months and died. Time went on and the girl brought a child into the world. Naturally, people who were living in the village heard the story and they did not want to see neither the girl nor the baby since when the baby was born, plants dried in the field, fishes lost in the lake and people had prayed to the god for rain, but nothing changed in the village. People got so angry, dug a hole in front of the fountain, put her into the hole and threw stones at her face. The girl died soon after. The evil went off the deep end, took a revenge of the village and killed everyone except two sisters because the evil wanted them to take care of its baby...

　　A Lower East Side bartender becomes entangled in a murder mystery involving a desperate woman, a missing drug dealer and the scion of a powerful investment firm.