“Perfect Sense” isn’t what you’d call a date night’s light entertainment. It’s an apocalyptic romance with Eva Green and the ubiquitous Ewan McGregor as Glaswegians whose nascent affair coincides with the advent of a global pandemic in which, over a few months’ time, all of humankind experiences a series of sensory-overload moments (ravenous hunger, rage, overpowering grief), followed by the loss of each of the five senses.
