Hundreds of years from now, the last surviving humans discover the means of sending consciousness back through time, directly into people in the 21st century. These "travelers" assume the lives of seemingly random people, while secretly working as teams to perform missions in order to save humanity from a terrible future.
Season 1
7.5
Season Plot
A federal agent tracks four people who suddenly seem to possess entirely new personalities, leading to a startling discovery about humanity's future.