In the West End of 1950s London, plans for a movie version of a smash-hit play come to an abrupt halt after a pivotal member of the crew is murdered. When world-weary Inspector Stoppard (Sam Rockwell) and eager rookie Constable Stalker (Saoirse Ronan) takes on the case, the two find themselves thrown into a puzzling whodunit within the glamorously sordid theater underground, investigating the mysterious homicide at their own peril.

Starring David Oyelowo, Ruth Wilson, Adrien Brody, Sam Rockwell, Saoirse Ronan, Harris Dickinson, Sian Clifford, Reece Shearsmith, Jacob Fortune-Lloyd, Charlie Cooper, Pippa Bennet-Warner and Pearl Chanda.