Após intervir acidentalmente num caso da Patrulha do Tempo, Bon une esforços com a agente Ream para salvar vidas inocentes do passado — enquanto vive a história do mundo.
It's been nearly 30 years since Dr. Sam Beckett stepped into the Quantum Leap accelerator and vanished. Now, a new team, led by physicist Ben Song, has been assembled to restart the project in hope of understanding the mysteries behind the machine and the man who created it. Everything changes, however, when Ben makes an unauthorized leap into the past, leaving the team behind to solve the mystery of why he did it.