Celyn Jones takes the plaudits here with an engaging and considered performance as the amiable "Joe". Married to "Sarah" (Rebel Wilson), he is suffering from a regressive form of amnesia that might soon ensure he has no idea who she is. Though caring, she is struggling with this traumatic and frustratingly repetitive existence and using their doctor "Falmer" (Meera Syal) as a sort of conduit, we meet other people whose relationships and lives are being eroded by similar forms of cerebral wasting away. Apparently the film's title comes from two parts of the brain that are similarly shaped and th...