I try not to read anyone else's reviews before I put my own thoughts on paper, but David Mackenzie's erudite thriller "Relay" played festivals a year ago and there seems to be a bit of a consensus.

For Relay, Mackenzie leans heavily on our lead character, played by Riz Ahmed (he goes by several names in the film; we’ll use James), to do much of the heavy lifting, and it’s masterfully handled. In ...