Years after a plague kills most of humanity and transforms the rest into monsters, the sole survivor in New York City struggles valiantly to find a cure.

Nick Larson discovers a supernatural way to alter his life and travel back in time to key moments in his life by looking at photographs.

Season two finds Cole unable to travel back in time due to an unforeseen paradox. Meanwhile, Jennifer appears to be on the brink of unleashing the deadly viru..

Season 3 is focused on the concept of family: both the unexpected nuclear family of Cole, Cassie, and baby Witness, but also the chosen family of time travele..

With David and Oliver missing and Farouk on the loose, the team forms an unlikely alliance with their former enemy Clark and his well-funded government is on ..

A police detective in the asteroid belt, the first officer of an interplanetary ice freighter and an earth-bound United Nations executive slowly discover a va..