Star Trek: The Next Generation

Geordi becomes a ruthless killing machine

Geordi is kidnapped by Romulans on his way to a conference and he is subjected to days of brainwashing designed to turn him into a remorseless killing machine. Returning to the Enterprise a few days later, with no recollection of his ordeal, the engineer remains unaware of his part in a plot to assassinate a high-ranking governor who suspects the Federation of aiding a group of Klingon rebels