The Zero Imperative. Word Search Puzzle Solver. The Zero Imperative word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. Former UNIT luminary Liz Shaw and her assistant Bayliss are investigating a series of bizarre murders all committed near a soon-to-be-closed psychiatric hospital. When the hospital is unexpectedly reprieved by rich Industrialist Peter Russell events seem to move out of Liz's control. Are the incumbent director of the clinic Doctor Dove and his predecessor Doctor O'Kane harboring the killer? What is the centuries-old horror hidden in the grounds? And what exactly is the secret of room zero? This includes identifying and searching for words that are related to : Science Fiction, David Terence, Colin Baker, Crime, Daniel Mills, Jon Pertwee, Jonathan Rigby, Peter Davison, Sophie Aldred, Sylvester McCoy, Action, Adventure, Patricia Merrick, Caroline John, Alexander Kirk .