华氏企业下属的化工厂所产废料污染了附近的渔场，渔场负责人阿娴（叶德娴）向法庭申请禁止该厂继续生产的禁令。为将麻烦解除，华氏企业请来律师阿龙（成龙）负责处理此案，并授权他收购渔场。阿龙找来好友黄飞鸿（洪金宝）和阿彪（元彪）帮忙，此二君一个武艺高强，一个虽身手敏捷但头脑不大灵光。阿彪在渔场安下窃听装置，黄飞鸿则想方设法接近阿娴，力劝她卖掉渔场，而阿娴也找来表妹水质专家美玲（杨宝玲）帮忙。阿龙初见美玲，便被对方深深吸引，不久两人陷入热恋中，黄飞鸿与阿娴的感情也日渐浓烈。阿彪不小心泄露了三人的本来意图，令阿娴与美玲失望过后分别与阿龙和黄飞鸿绝交。此事促使阿龙一伙发现工厂相瞒的秘密。©豆瓣

Hong Kong Cut
Disc Title: DRAGONS FOREVER 4K UHD
Disc Size: 93,834,771,269 bytes
Protection: AACS2
Playlist: 00100.MPLS
Size: 69,749,256,192 bytes
Length: 1:34:25.242
Total Bitrate: 98.49 Mbps
Video: MPEG-H HEVC Video / 84340 kbps / 2160p / 23.976 fps / 16:9 / Main 10 @ Level 5.1 @ High / 4:2:0 / 10 bits / 1000nits / HDR10 / BT.2020
Video: * MPEG-H HEVC Video / 64 kbps (0.08%) / 1080p / 23.976 fps / 16:9 / Main 10 @ Level 5.1 @ High / 4:2:0 / 10 bits / 1000nits / Dolby Vision MEL / BT.2020
Audio: Chinese / Dolby TrueHD/Atmos Audio / 7.1+11 objects / 48 kHz / 3120 kbps / 16-bit (AC3 Core: 5.1-EX / 48 kHz / 224 kbps)
Audio: Chinese / DTS-HD Master Audio / 2.0 / 48 kHz / 921 kbps / 16-bit (DTS Core: 2.0 / 48 kHz / 768 kbps / 16-bit)
Audio: English / DTS-HD Master Audio / 2.0 / 48 kHz / 1075 kbps / 16-bit (DTS Core: 2.0 / 48 kHz / 768 kbps / 16-bit)
Audio: English / DTS-HD Master Audio / 5.1 / 48 kHz / 1828 kbps / 24-bit (DTS Core: 5.1 / 48 kHz / 768 kbps / 24-bit)
Audio: English / Dolby Digital Audio / 2.0 / 48 kHz / 112 kbps
* Audio: English / Dolby Digital Audio / 2.0 / 48 kHz / 112 kbps
* Audio: English / DTS-HD Master Audio / 2.0 / 48 kHz / 1015 kbps / 24-bit (DTS Core: 2.0 / 48 kHz / 768 kbps / 24-bit)
Subtitle: English / 43.666 kbps
Subtitle: English / 46.797 kbps
* Subtitle: English / 0.208 kbps
* Subtitle: English / 36.652 kbps

Japanese Cut
Disc Title: DRAGONS FOREVER 4K UHD
Disc Size: 93,834,771,269 bytes
Protection: AACS2
Playlist: 00101.MPLS 
Size: 72,398,966,784 bytes
Length: 1:37:54.952
Total Bitrate: 98.59 Mbps
Video: MPEG-H HEVC Video / 84445 kbps / 2160p / 23.976 fps / 16:9 / Main 10 @ Level 5.1 @ High / 4:2:0 / 10 bits / 1000nits / HDR10 / BT.2020
Video: * MPEG-H HEVC Video / 64 kbps (0.08%) / 1080p / 23.976 fps / 16:9 / Main 10 @ Level 5.1 @ High / 4:2:0 / 10 bits / 1000nits / Dolby Vision MEL / BT.2020
Audio: Chinese / Dolby TrueHD/Atmos Audio / 7.1+11 objects / 48 kHz / 3108 kbps / 16-bit (AC3 Core: 5.1-EX / 48 kHz / 224 kbps)
Audio: Chinese / DTS-HD Master Audio / 2.0 / 48 kHz / 913 kbps / 16-bit (DTS Core: 2.0 / 48 kHz / 768 kbps / 16-bit)
Audio: English / DTS-HD Master Audio / 2.0 / 48 kHz / 1075 kbps / 16-bit (DTS Core: 2.0 / 48 kHz / 768 kbps / 16-bit)
Audio: English / Dolby Digital Audio / 2.0 / 48 kHz / 112 kbps
* Audio: English / DTS-HD Master Audio / 5.1 / 48 kHz / 1821 kbps / 24-bit (DTS Core: 5.1 / 48 kHz / 768 kbps / 24-bit)
* Audio: English / Dolby Digital Audio / 2.0 / 48 kHz / 112 kbps
* Audio: English / DTS-HD Master Audio / 2.0 / 48 kHz / 1015 kbps / 24-bit (DTS Core: 2.0 / 48 kHz / 768 kbps / 24-bit)
Subtitle: English / 44.61 kbps 
Subtitle: English / 47.752 kbps 
* Subtitle: English / 0.216 kbps 
* Subtitle: English / 37.407 kbps 

International Cut
Disc Title: DRAGONS FOREVER 4K UHD
Disc Size: 93,834,771,269 bytes
Protection: AACS2
Playlist: 00102.MPLS 
Size: 69,667,915,776 bytes
Length: 1:34:06.182
Total Bitrate: 98.71 Mbps
Video: MPEG-H HEVC Video / 84572 kbps / 2160p / 23.976 fps / 16:9 / Main 10 @ Level 5.1 @ High / 4:2:0 / 10 bits / 1000nits / HDR10 / BT.2020
Video: * MPEG-H HEVC Video / 64 kbps (0.08%) / 1080p / 23.976 fps / 16:9 / Main 10 @ Level 5.1 @ High / 4:2:0 / 10 bits / 1000nits / Dolby Vision MEL / BT.2020
Audio: English / DTS-HD Master Audio / 2.0 / 48 kHz / 1013 kbps / 24-bit (DTS Core: 2.0 / 48 kHz / 768 kbps / 24-bit)
* Audio: Chinese / Dolby TrueHD/Atmos Audio / 7.1+11 objects / 48 kHz / 3081 kbps / 16-bit (AC3 Core: 5.1-EX / 48 kHz / 224 kbps)
* Audio: Chinese / DTS-HD Master Audio / 2.0 / 48 kHz / 917 kbps / 16-bit (DTS Core: 2.0 / 48 kHz / 768 kbps / 16-bit)
* Audio: English / DTS-HD Master Audio / 2.0 / 48 kHz / 1080 kbps / 16-bit (DTS Core: 2.0 / 48 kHz / 768 kbps / 16-bit)
* Audio: English / DTS-HD Master Audio / 5.1 / 48 kHz / 1824 kbps / 24-bit (DTS Core: 5.1 / 48 kHz / 768 kbps / 24-bit)
* Audio: English / Dolby Digital Audio / 2.0 / 48 kHz / 112 kbps
* Audio: English / Dolby Digital Audio / 2.0 / 48 kHz / 112 kbps
Subtitle: English / 0.193 kbps 
Subtitle: English / 40.041 kbps 
* Subtitle: English / 44.253 kbps 
* Subtitle: English / 41.14 kbps