Widow Tong Suk-fan is saddled with hardship alone, struggling to bring up her two sons Chong Yau-ching and Chong Yau-kit. The brothers join the Intelligence Unit and the Operations Unit of Anti-Terrorist Force respectively, and both gain recognition from their superior Shum Chi-ngo, which is supposed to be a comfort to their mother. But unexpectedly, due to a mysterious piece of intelligence, their brotherhood turns to enmity...
as Alfred Chong Yau-kit
as Carson Chong Yau-ching
as Jessica Chung Yat-ka
as Yip Ting
as Steven Shum Chi-ngo
as Kiu Kim-hang
as Yeung Lok-man
as Luk Jyun Ting / "Beauty"
as Tong Suk-fan
as Chung Lai Him
as Ko Wai
as Fu Wang-leung
as Ding Zhai Dong / Norman
as Eva
