It's been 30 years since Dr. Sam Beckett stepped into the Quantum Leap accelerator and vanished. Now a new team has been assembled to restart the project in the hopes of understanding the mysteries behind the machine and the man who created it.

A century after Earth was devastated by a nuclear apocalypse, 100 space station residents are sent to the planet to determine whether it's habitable.

An ex-C.I.A. operative is brought back in on a very personal mission and finds himself pitted against his former pupil in a deadly game involving high-level C.I.A. officials and the Russian President-elect.