Heartbeat (2016) (2016)

Episode Overview

Title: Sorry, Right Number Plot: Katie answers a strange call from a woman who ominously speaks about her husband's impending demise, but he is alive at that moment. Dismissing the call, Katie is later devastated to learn of her husband's death. During the funeral, heartbroken, she contacts herself in the past, attempting to relay a warning. However, she ends up speaking to her own earlier self, fully aware that her efforts are futile. Overwhelmed by grief, she ultimately succumbs to despair.