When Grace Wellbeck thinks she sees the ghost of her first husband, she fears for her sanity and worries that she's having another breakdown. Long-buried memories come back thick and fast: from the fairground thrills of 1950s Blackpool to the dark reality of a violent marriage. But the ghost turns out to be very real: a charismatic young man named Luke. And as Grace gets to know him she is jolted into an emotional awakening that brings her to a momentous...