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.

Drina, a young immigrant working as a live-in maid for a wealthy Long Island family, finds herself entangled in the family's web of dark secrets once she begins to suspect her employer's son has committed a terrible crime.