为响应九七香港主权回归而特别制作的长篇写实剧集《97变色龙》，全面揭示香港人回归前的心里变化，突显出现代人为求名利，不惜牺牲人性、出卖至亲等种种劣行。 故事由一宗轰动全城的争产事件掀开序幕，粤剧红伶靓少冯德昌（罗家宝）的年轻妻子蓝碧梅（谢雪心）与情夫何铭希（刘永）的阴谋夺去昌的产业，昌虽及时得悉，欲挽回之际却已慢了一步，昌人财两失，心脏病发，危在旦夕……
A passenger is stabbed to death on the express bus to Honore. Jack and his team are baffled by the case though as no-one left their seat on the bus - so how on earth did they commit the murder?
Sydney finds herself face-to-face with her long-lost mother, Irina Derevko, whose intentions for her daughter are made chillingly clear. However, Sydney manages to escape and rejoin Jack and Will in their escape from Taiwan. After arriving back in Los Angeles, Sydney continues her search for Vaughn, not knowing if he is dead or alive after being swept away by a wall of water in Taipei. Will's life is forever changed when he learns the truth about SD-6 and Sydney's life as a double agent. Also, Dixon must decide whether or not to inform Sloane of Sydney's suspicious activities. But Jack intervenes and covers for Sydney who later finds Vaughn who helps her try to track down her mother Irina who's searing for a Rimbaldi artifact called 'the Bible.'
该剧背景设定在人类餐桌上的新鲜肉类消失后的人工培植肉时代，讲述结束人类食用动物数百年“支配”与“被支配”关系的生物科技企业BF掌握了培植肉市场，在呈现快速增长势头的时期，企业内外陆续出现了质疑BF代表行为的人。
自小在美国生活的查星宇不满母亲改嫁，毅然返港，与父亲查万里及孖生弟弟查星宙重聚。在父亲的安排下，星宇与弟弟一起修读中七，并与李西西、YY博士和徐翊等成为好友。星宇活跃好动；星宙品学兼优；西西对爱情充满幻想；YY博士见识广博；翊热爱跳舞，一班不同性格的学生令整个校园变得热闹非常。星宇与模范生常欣然为一对斗气冤家，其后竟渐生情愫。惟星宇知道弟弟一直暗恋欣然，遂忍痛让爱，星宙却因此与星宇闹翻。大学入学试将至，面对学业及感情上种种难题，各人如何应付？
