工藤新一（小栗旬）这晚收到挑战书，称将有他的同学在修学旅行的船上被绑架，若新一不能保护好同学，须让出“高中生名侦探”的称号。新一本对修学旅行没兴趣，这封信令他次日赶到学校与小兰（黒川智花）、园子（岩佐真悠子）及班里另外约30名同学会合。众人刚登上旅行用船，新一即把目光投向代理班主任北岛慎吾（ふかわりょう）、导游西田麻衣（水川あさみ）、船长东邦夫（松重丰）及船员南田恭介（西村和彦）等人，时刻保持着警惕。但园子仍神不知鬼不觉失踪。着手调查尚无头绪，他再接绑架预告电话。

A miracle independent film capturing the growth of a single baby over a period of 3 years.The film revolves around three struggling actors Michio, Gunji, and Enoken, who share a house together. One day, they find a baby girl left with a letter from Michio's ex-girlfriend. They name the child "Don-chan" and embark on the journey of raising her, despite their initial confusion. Directed by OKITA Shuichi, known for films such as "A Story of Yonosuke” and “The Fish Tale”, the movie is a self-produced project featuring OKITA and his actor friends, documenting the life of his own daughter from 6 months to 3 and a half years old. Shot entirely with a handheld camera, the film captures the heartwarming moments of Don-chan's growth and the challenges faced by the three men in nurturing her. The film was also shot on location in Ueda City, Nagano Prefecture, where Ueda Eigeki, a local theater, recommends the movie. Don-chan's growth is complimented along with the picturesque scenery of Bessho Onsen and Sugadaira Kogen. The heartwarming world of OKITA Shuichi, where drama and reality coexist in a mysterious harmony, unfolds throughout the film. From a crying infant, Don-chan grows to a point where she can speak her lines, and everyone's affectionate watch over her brings warmth and comfort to the viewers.源自：

黑道少爷（吴奇隆 饰）十分不喜欢自己的身世，亦不喜欢总是徘徊在自己周围的父亲的手下。一次偶然中，少爷结识了一位疯癫的女子，又在误打误撞之中救下了正在被追杀的雷达（吴孟达 饰）和他收养的孩子（郝邵文 饰），巧合的是，这个孩子正是疯癫女子失散多年的亲生儿子，母子重逢，女子的病奇迹般的痊愈了。原来，女子带着孩子遭到黑道的追杀，无奈之下只能弃子逃走，孩子被高山族收留，长大后贵为酋长。哪知道，这个孩子身上流淌着贵族的血液，他的生父出高价寻找他，只为这血脉不至于流落在外，雷达为了获得巨额赏金找到了孩子，却因此而惹上了杀身之祸。在少爷的帮助下，女子最终逃出生天，远走他乡，可是少爷早已经深深的爱上了她。

警界老油条阿辉（周润发 饰）生性风流，凭借自己父亲昔日手下沾叔（黄沾 饰）的维护，阿辉在警局虽然得不到升迁，但也落得清闲。新进警员曹里昂（李元霸 饰）的到来打破了这一切，曹大胆甚至莽撞的办案方式连累阿辉大出洋相，阿辉虽恨曹里昂，但碍于上司命令，不得不与曹搭档。与此同时，毒枭罗茂森（徐少强 饰）的手下毒蛇炳将其交易的毒品调包私自出售，毒蛇炳之妹当娜（利智 饰）配合售毒。兄妹二人非法入港相依为命，希望藉由毒品生意改善生活。罗茂森团伙杀人引起警方注意，阿辉与曹里昂两人接手此案，他们很快从当娜身上得到了线索。而罗茂森亦发现毒蛇炳偷梁换柱的所为，一时间阿辉与罗茂森展开了对当娜的争夺……