索菲来到城里和男友见面，趁他上班的时候，她决定出去走走，看看风景。一个庭院引起了她的好奇，她决定进去看看。然而，刚踏进拱门一步，她就发现自己身处一个黑暗的房间，被绑了起来，动弹不得。有什么奇怪的东西紧紧地勒着她的脖子！她的手脚也被绳子绑着，另一根绳子勒住了她的胯部。索菲茫然无措，恐惧万分——这怎么可能？接下来会发生什么？……

一个陌生的身影从黑暗中出现。他说，受害者落入了他特意设下的陷阱，专门用来捕捉那些拥有柔软腹部、深邃肚脐和柔嫩肌肤的美丽女孩。今天，她将成为他的肚脐奴隶。他要击打索菲的腹部，戳穿她的肚脐，将拳头深深地插入她的腹腔……Sophie came to the city to her boyfriend and while he was working decided to take a walk, see the sights. One courtyard seemed curious to her and she decided to look into it, but after taking one step into the arch, she suddenly found herself in a dark room, where she coused tied up and could not move, something strange was holding her neck tightly! The arms and legs are tied with rope, and another rope tightens the crotch. Sophie stands in complete bewilderment and fear - how could this happen and what will happen to her next...
An unfamiliar figure appears out of the darkness. He says that the Victim fell into a trap that he specially set up to catch beautiful girls with soft bellies, deep navels and soft skin. Today she will be his belly slave. He's going to hit Sophie's stomach, push through her navel, plunge his fist deep into her stomach....