当同学的崇拜变成危险的痴迷时，大学生艾琳发现自己在春假期间被囚禁在自己的宿舍里。

Follow the true story of six college students whose lives ended in a tragic murder.

故事发生在1984年前苏联的一个偏僻角落，围绕一群女学生展开。她们一直相互扶持，分享喜怒哀乐，在腐败的政治系统和高压的宿舍管束之下努力维持着有尊严的生活。然而其中一个女生的自杀让原本和谐的宿舍不再安宁，一系列连锁反应接踵而至，她们的爱、友情和信仰也都面临着终极考验。

Mary Summers does not want to stay alone at home when her husband Arthur goes away on business. She asks that her family be allowed to stay with her. Arthur refuses her request. While Arthur is away an escaped mental patient breaks into the house. Surprisingly, the mental patient gets along with Mary. She is not afraid of him. She tells him about a dream she has had where someone follows her up the stairs. When the police arrive, the mental patient makes an escape. After the the police leave, Mary hears someone coming up the stairs just like in her dream. She find's Arthur's pistol as the door opens. At the door is Arthur. He came home early when he heard about the escape at the asylum. Even though she knows its him, Mary shoots him. She then calls her family and tells them she is coming home.

主要讲述了他们步入大四的生活，即将面临实习、毕业，进入社会的故事。将会着重表现大学生与社会接触之后的冲击、迷茫以及在此过程中的成长和转变。

《麻辣宿舍》在基于《麻辣隔壁》第1~4季 的基础上，将一如既往地把校园喜剧进行到底。本季主要讲述了他们步入大四的生活，即将面临实习、毕业，进入社会的故事。将会着重表现大学生与社会接触之后的冲击、迷茫以及在此过程中的成长和转变。

林夕在澡堂准备洗澡的时候，宿亲眼看见巨蟒吃人，为了宿舍同事的安全，林夕求宿管阿姨打开宿舍大门，却不知此时大蛇就盘踞在宿舍之外。在唐琳和宿管阿姨的煽风点火之下，林夕成为众矢之的。室友唐琳嫌弃林夕疑神疑鬼，耽搁大家去澡堂洗澡，却不知大蛇真就如林夕推测的一样藏身在浴室中，在唐琳的作死之下，大蛇终于现身。林夕尝试自救，刘阿姨却用卑鄙手段将周苗苗支走，有将林夕锁在配电室之外，殊不知，另一条大蛇此刻就藏在配电室中……

大学女生宿舍突发恶性碎尸案，两名大二女生被杀害肢解。报案人刘晓静酒后回宿舍怕吵醒舍友未开灯就睡下，次日发现惨状，墙上留有“幸好，你没有开灯”血字。现场无凶手指纹，未排查到可疑人员进入，刘晓静无作案动机且有不在场证明，警方遇困，副局推荐林晨协助破案。