Metamorphosis is a Singaporean Chinese action thriller drama which is being telecast on Singapore's free-to-air channel, MediaCorp TV Channel 8. It made its debut on 18 September 2007, screening at 2100 hours every night on weekdays. The serial consists of 20 episodes. In the last few episodes, the serial recorded a viewership rate of over 1 million and was awarded the "Best Drama Series Award" in the Star Awards 2007. Yvonne Lim also received the "Best Actress Award" in the same event.

　黑帮势力为了争夺权利，展开铲除异己行动。杀手快刀手已经杀灭黑势力的两个首领。警探欧阳力（陈汉玮饰演）和狄伦（曹国辉饰演）把快刀手逼至死路。快刀手也挟持了黑帮老大响尾蛇（黄炯耀饰演）的情妇辛美。欧阳力在追捕快刀手时，毅然开枪，导致人质辛美毙命，激怒了响尾蛇。