a scientist who studies NDEs and thinks they are like portals to parallel universes kidnaps and imprisons people who have special abilities as a result of their NDE and forces them to have repeated NDEs to study them and the powers they acquire, eventually using them to travel across parallel universes and realities. They go, too. And all are trying to escape him. OA is “original angel”.
Here is a clip: https://youtu.be/0APisfyIUh4