Line Walker is based on the popular award winning 2014 TVB crime drama that ran for 31 episodes staring Michael Miu, Charmaine Sheh, Raymond Lam, Sharon Chan, Benz Hui, Sammy Sum.
SYNOPSIS – After a handler of undercover agents died and his classified flies erased,some of the identities of those agents become lost. When someone codenamed Blackjack contacts the police, asserting that he is a lost agent, Inspector Q sends Agent Ting to contact him. Ting soon finds herself manipulated by Blackjack, while Inspector Q encounters a series of peculiar events resulting in the death of the chairman of a finance group. Finally, Inspector Q manages to pin down the whereabouts of Blackjack and uncovers the surreptitious involvement of a business company in a huge drug deal in Brazil. However, the drug dealers have found out that there is an undercover agent among them , and things get tricker as fear and mistrust gain the upper hand….