In the Line of Duty 4 Word Search Puzzle – Search Characters, Actors and Actresses. Word Search Puzzle Solver. Two detectives who are up to their necks in trouble and in each other's face as they try to shut down a drug-trafficking scheme that could be connected with international ties to organized crime. But in the midst of their investigation innocent immigrant dock worker Luk Wan-Ting gets caught up in the mix when he witnesses the murder of an intelligence operative and is framed for the crime. Find out the following actor, actress, character names, and other movie-related words hidden in this word search puzzle based on this movie.. This includes identifying and searching for words that are related to : Yi, Chi, Choh, Shun, Liu Kai, Wai Gei, Yuen Shun, Donnie Yen, Cynthia Khan, Michael Wong, Simon Yuen Yat, Paul Wong Kwan, Michael F Woods, Stephen Berwick, Lisa Chiao Chiao .