Guillem Morales’s thriller The Wasp is about two women, Heather (Naomie Harris) and Carla (Natalie Dormer), who haven’t spoken since high school. They both still live in the same English town, and their houses are probably only a brief bus ride apart. But they live in different worlds, mostly because only one of them would ever take the bus.

Living a prettified suburban existence, Heather has a posh accent, a beautiful home, and a stylish wardrobe. Her husband, Simon (Dominic Allburn), is successful, though the audience never finds out exactly what he does, just that his is the sort of job that involves hobnobbing with other elegantly dressed people over bottles of presumably expensive wine.

As for Carla, she huddles up with her four kids inside a cramped apartment alongside her husband, Jim (Rupert Holliday-Evans), who seems to divide his time between snoozing in his armchair and gambling away their rent money.