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After receiving a head injury on a case, private eye Maurice Pogue (Dana Carvey) suffers from a form of amnesia in which his short-term memory is wiped clean every time he falls asleep. Besides experiencing some obvious problems in his profession, Pogue is also the key witness in an important case against a mobster (Michael Gambon) accused of murder. Now, relying only on a cassette recorder to fill him in on a daily basis, Pogue has to not only testify at the trial, but also crack a big case. Wikipedia