After her mother's death, Olivia discovers her ability to travel back in time, seeking answers and solace. However, she struggles with the realization that she cannot change anything in 48 hours. Unbeknownst to Olivia, she was not alone in her travels. This stranger seemed to know more about Olivia’s abilities than she realized, always lingering just out of sight, waiting. Olivia felt the eerie sensation of being watched but was too focused on the past to notice the danger creeping closer.