Elya, 20, is a student and a future ecologist. One day, Matvey, the head of a construction company, came to her university to discuss the development plan for an old forest park. Elya did not hesitate to crush his project. Matvey is very interested in girls' confidence, And used his usual influence method - he just tried to ; purchase She, but Elya doesn't need a sponsor. Then, Matvey was surprised by her indestructibility and placed a bet on Elya: romantic seven days according to his rules. If the girl still decides to leave after that, he will refuse to build a skyscraper in the forest park. When Matvey really paused design work, she agreed. Elya thinks she's a bit like the movie 'Beautiful Woman' The female protagonist in, but it turns out that Matvey is not the person she imagined.
双叶翔太郎（土屋神叶 配音）是一名刚刚升上高中的校园新鲜人，初三那年夏天，因为被苍高男子艺术体操社的表演所吸引，翔太郎选择考入这所学校，并且加入了体操社，在这里，他结识了一群志同道合的伙伴们。
在一次意外杀人后，小猫消失了，被职业女刺客思洁（姚薇饰演）救出并训练成杀手。四妹的大弟子公主（吴嘉丽饰演）是一名女同性恋。她的杀人策略非常残忍。长期以来，她一直对四妹不满，也对小猫怀有幻想。一系列的凶杀案再次让钢铁侠遇到了一只小猫。虽然小猫没有认出她的身份，但钢铁侠认定她就是小猫。四妹和公主都想摆脱麻烦侦探钢铁侠，但小猫处处保护着他。不久之后，公主为了自己的利益残忍地杀害了四妹。小猫为了给主人报仇，引诱公主出现，并计划和她一起死去。在危机时刻，钢铁侠出现了。看着这只奄奄一息的小猫，他做出了一个终生不会后悔的决定
