A lucid dream is a dream in which the sleeper is aware that he or she is dreaming. A lucid dreamer can actively participate in and manipulate imaginary experiences in the dream environment. Lucid dreams can seem extremely real and vivid, depending on a person's level of self-awareness during the lucid dream.
In this film, a group of experts entered the victim's human mind through dream invasion and changed that person's thoughts by undergoing an "unnecessarily complicated adventure" within the different levels of dreams.
In my opinion, while the special effects of the film are excellent, the logic and concept of the film is flawed by stretching the concept of lucid dreaming too far.
Science shows that dreaming, no matter how many levels one goes into, is still a dream; and one cannot, in any circumstances, get wounded or killed in a dream. In this film, however, people are being wounded and killed in the dream in attempts to plant a new idea into the victim's mind.
I must, however, congratulate director Christopher Nolan for another entertaining film albeit the flawed story line and concept.
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