电影《救生圈：朋友以上，出轨未满》改编自野村宗弘的漫画作品《うきわ》（救生圈），讲述了中山麻衣子和二叶一之间的危险近邻关系。两人都遭受了各自配偶的背叛，距离婚外情仅有一堵墙的距离，他们的心开始相互依靠，情感逐渐升温，引发观众对于他们未来发展的好奇。

中山麻衣子是一名贤惠的主妇，每天都等待着工作忙碌的丈夫回家。然而，她的丈夫却经常晚归，导致她感到寂寞和无助。在这样的日子里，麻衣子开始和住在隔壁的丈夫的上司二叶一交谈，他们隔着阳台的墙壁分享彼此的心声。这种互相倾诉的过程，让他们感到彼此的存在变得越来越重要。

然而，他们在交流的过程中，发现了一个令人心碎的事实：各自的配偶都有着不忠的行为。这个共同的痛苦让麻衣子和二叶之间建立了一种特殊的纽带。他们开始相互安慰，成为彼此心灵的依靠。

随着时间的推移，麻衣子和二叶之间的关系越来越亲密，友谊逐渐演变成了爱情。然而，他们也意识到这段感情的危险性。他们之间的关系已经超越了朋友的范畴，但出轨的道路似乎并未走到尽头。

观众在电影中见证了麻衣子和二叶之间情感的复杂性和纠结，同时也对他们的选择充满了好奇。究竟他们是否会越过阳台的墙壁，勇敢地面对未知的未来，或者他们会选择在道义和责任面前止步不前？这些问题使得观众在故事中产生共鸣，深入思考爱情、婚姻和人性的复杂性。

The movie "Lifebuoy: More than Friends, Less than Cheating" is adapted from Nomura Munehiro's manga "うきわ" (Lifebuoy) , about the dangerous neighborly relationship between Nakayama Maiko and Futaba Kazu. Both suffered from the betrayal of their spouses, only a wall away from the extramarital affairs, their hearts began to rely on each other, and their emotions gradually heated up, arousing the audience's curiosity about their future development.

Nakayama Maiko is a virtuous housewife who waits for her busy work every day Husband comes home. However, her husband often came home late, causing her to feel lonely and helpless. On such days, Maiko starts talking to her husband's boss, Erye Yi, who lives next door, and they share each other's heartfelt feelings through the balcony wall. This process of talking to each other made them feel that each other's existence became more and more important.

However, in the process of communicating, they discovered a heartbreaking Fact: Both spouses have been unfaithful. This shared pain creates a special bond between Maiko and Futaba. They began to comfort each other and became each other's spiritual reliance.

As time goes by, the relationship between Maiko and Erye becomes more and more The closer they get, the friendship gradually evolves into love. However, they are also aware of the dangers of the relationship. The relationship between them has gone beyond the scope of friends, but the road of derailment does not seem to have come to an end.

The audience witnessed the emotional complexity between Maiko and Erye in the movie And entangled, but also full of curiosity about their choices. Will they cross the balcony wall and bravely face the unknown future, or will they choose to stand still in front of morality and responsibility? These questions make the audience resonate in the story, thinking deeply about the complexity of love, marriage and human nature.