The Trough - 2018

Yu Chau is just a cop who has gone deep under cover within the triad. He can no more tell which side of this law he is on. He runs to lick his wounds when he accidentally kills one of his pals in an operation. He teams up with Jackie and fellow officers Jim to grab a tri-ad Boss to unveil collusion with government officials at the maximum level. Yu Chau yet again faces the problem of taking the law into their own hands...