In Before I Call You Mother a routine beach excursion turns ominous when Steve cracks open a stone, unwittingly setting free a long-dormant spirit. The echoes of the lost spirit intertwine with the unfulfilled yearning of Steve and Samantha for a child. As they grapple with their shared desire and the unearthly presence that haunts them, they realize that before they can embrace parenthood, they must confront a haunting truth.