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.
After losing her memory in a bizarre accident that kills most of her classmates, Alma tries to unravel what happened that day — and regain her identity.
A group of teens must confront their deepest fears to save one another from a creature hunting them in their sleep, after trying an experimental dreaming drug.
The successful doctor Yoo Sepoong becomes entangled in a conspiracy and is kicked out of the palace. He meets Jihan in Gyesu village and learns to treat those who suffer psychological illness. Finding the cause of their heartbroken feelings and writing a prescription for happiness with Eunwoo, Sepoong grows up as a true psychiatrist.