《97古惑仔战无不胜》是由刘伟强执导，郑伊健、陈小春、李嘉欣、莫文蔚等主演的一部香港动作电影。该片于1997年在香港上映，以其精彩的故事情节和激烈的动作场面赢得了观众的喜爱。影片以黑社会洪兴社为背景，讲述了江湖中的争斗、友情与爱情的故事。

故事开始，洪兴社的屯门区话事人恐龙遭到东星社的雷耀扬的杀害，为填补这个空缺，龙头蒋天养决定从山鸡和生番两人中选择一人担任新一届的屯门区话事人。在陈浩南的帮助下，山鸡最终成功当选。然而，生番为了打击山鸡，竟然与雷耀扬勾结，设计陷害山鸡。在这场残酷的权力争夺中，山鸡的好友大天二为了帮助他，不幸丧命，令众兄弟深感伤痛。最终，雷耀扬和生番的诡计被揭穿，一场激烈的厮杀展开，雷耀扬不幸身亡，生番也被赶出了洪兴社。山鸡顺利成为屯门区话事人。

与此同时，欣欣是屯门区一所中学的教师。她一直对黑社会人物抱有厌恶之情，然而在认识陈浩南后，她对黑社会的印象开始改变，并对陈浩南产生了倾慕之情。二人发生了一夜情，但他们生活在不同的世界，陈浩南心中仍念念不忘已故的女友阿细，他们的感情最终无法继续发展。然而，在欣欣的心中，她仍然念念不忘他们共度的浪漫时光。

《97古惑仔战无不胜》通过扣人心弦的剧情和精彩的动作场面，展现了黑社会中的兄弟情义和爱情的复杂。影片描绘了江湖争斗的残酷和人性的脆弱，同时也展现了人们对于爱与情感的渴望。郑伊健和陈小春等演员们的出色表演为故事增添了更多的张力和情感。影片成功地吸引了观众的注意力，并成为了当年香港电影票房的佳作。

"97 Young and Dangerous Boys Are Invincible" is directed by Liu Weiqiang, starring Ekin Cheng, Jordan Chan, Li Jiaxin, Karen Mok, etc. A Hong Kong action movie. Released in Hong Kong in 1997, the film won the hearts of audiences with its exciting storyline and intense action scenes. The film takes the underworld Hongxing Society as the background and tells the story of struggle, friendship and love in the rivers and lakes.

At the beginning of the story, Dinosaur, the talker in Tuen Mun District of Hongxing Society, was attacked In order to fill the vacancy due to the killing of Lei Yaoyang of the East Star Society, the leader Jiang Tianyang decided to choose one of the two men, Pheasant and Shengfan, to be the speaker of the new Tuen Mun district. With the help of Chen Haonan, Shan Ji was finally elected. However, in order to attack Shan Ji, Sheng Fan colluded with Lei Yaoyang and designed to frame Shan Ji. In this brutal power struggle, Pheasant's friend Da Tian Er unfortunately died in order to help him, which made the brothers deeply saddened. In the end, the conspiracy of Lei Yaoyang and Shengfan was exposed, and a fierce fight unfolded. Lei Yaoyang unfortunately died, and Shengfan was also kicked out of Hongxing Society. Pheasant successfully became the talker in Tuen Mun District.

At the same time, Xinxin is a teacher in a middle school in Tuen Mun District. She has always been disgusted with underworld figures, but after getting to know Chen Haonan, her impression of underworld began to change, and she developed admiration for Chen Haonan. The two had a one-night stand, but they lived in different worlds. Chen Haonan still couldn't forget his late girlfriend Ah Xi in his heart, and their relationship could not continue to develop in the end. However, in Xinxin's heart, she still misses the romantic time they spent together.

"97 Young and Dangerous Boys Are Invincible" through exciting plots and wonderful Action scenes that show the complexity of brotherhood and love in the underworld. The film depicts the cruelty of the struggle between rivers and lakes and the fragility of human nature, and at the same time shows people's desire for love and affection. The excellent performances of actors such as Ekin Cheng and Jordan Chan add more tension and emotion to the story. The film successfully captured the attention of the audience and became the best box office of Hong Kong movies that year.