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On Star Trek and other sci fi fare, a staple is the mind that is taken over by alien forces. Here we have Dr. McCoy, Deforest Kelley, waking up one morning with blood on his hands and finger marks on his throat. In a dream, he has killed someone and is immediately convinced that he had, indeed, done the act. The first weakness of this is that he buys into it in about two minutes. Shouldn't there have been a period of sorting things out? I have no trouble with the conclusion, only the speed with which he leaps to it. He pushes everyone away and becomes a neurotic mess. As usual, he pushes everyone away who tries to help him. Again, a bit of restraint and unfolding would have been nice. Eventually he searches for and find the cause of his troubles. Lucky for him, his brother in law, a straight cop, is willing to look into things. It isn't easy, because our guy seems like a likely suspect. The brother in law doesn't believe him and gives him an ultimatum to turn himself in. If I go much farther, I will provide spoilers. My gripe with this film has to do with the science involved and the plot. Hypnosis really wasn't understood very well in these days, but there is something about what's going on here that a contemporary audience wouldn't accept. It's just too easy to pick apart at the character and the plot level.
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