Rated 4.0 Christopher Nolan loves to toy with the way we watch and react to movies. Before he adapted his brother’s short story into the deconstructed murder mystery Memento, he made this lean, low-budget British suspense yarn in which an unemployed writer (Jeremy Theobald) follows people on the street under the guise of gathering material for a book. The thin wall between observation and interaction crumbles when a man (Alex Haw) he is shadowing confronts him, questions his motives and introduces him to the world of burglary. This clammy, black-and-white thriller time-hops with a vengeance, flashing backward and forward between tight clusters of information that require constant reprocessing in a crimescape littered with deception, violations of privacy, mind games and violence.