Romantic drama with touches of fantasy that adapts the novel Strangers by Japanese author Taichi Yamada. Adam (Andrew Scott) is a lonely writer who, after a chance encounter with his neighbor Harry (Paul Mescal), begins an intimate and emotional relationship with him. But Adam, nostalgic for his lost childhood, decides to visit his childhood home. There, back in the distant past, he discovers that his parents, long dead, are alive and appear to be the same age as the day they died. Can Harry save Adam from the ghosts of his past?