Max Caulfield, photographer-in-residence at the prestigious Caledon University, discovers her closest new friend, Safi, dead in the snow.Murdered.To save her, Max tries to Rewind time a power she's not used in years instead, Max opens the way to a parallel timeline where Safi is still alive, and still in danger Max realizes the killer will soon strike again in both versions of reality.With her new power to Shift between two timelines can Max solve and prevent the same murder?