'All of Us Strangers' is a delicate work of ghosts, grief, and going home

A lonely, withdrawn screenwriter (Andrew Scott) begins an intense relationship with a mysterious man (Paul Mescal) who also lives in his near-empty apartment block, just as he finds himself drawn back to his childhood home - where his parents (Jamie Bell and Claire Foy) have reappeared, just as they were before they died in a tragic accident almost thirty years ago...