When Marcus wakes up with blood on his hands, he is startled to hear that a close friend has been found stabbed to death. Marcus struggles with parasomnia, a rare sleep disorder, and he fears he could have killed his friend while sleepwalking to hide a dark secret. The police close in as Marcus frantically investigates his own nocturnal activities, desperate to figure out what happens when he goes to sleep. His journey to uncover the truth leads him to a shocking discovery.
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