A scientist trains a man with an advanced telepathic ability called "scanning" to stop a dangerous Scanner with extraordinary psychic powers from waging war against non scanners.
365 Movies Challenge #256; Scanners (1981) dir. David Cronenberg:
“All right. We're gonna do this the scanner way. I'm gonna suck your brain dry! Everything you are is gonna become me. You're gonna be with me Cameron, no matter what. After all, brothers should be close, don't you think?“