Il giorno prima (internationally released as Control and Mind Control) is a 1987 Italian thriller film directed by Giuliano Montaldo and starring Burt Lancaster and Ben Gazzara.

The story was written by Piero Angela and the screenplay was by Piero Angela, Jeremy Hole, Giuliano Montaldo and Brian Moore.

This story takes place during an experiment concerning the psychological effects of mental fatigue on those locked in a fallout shelter for a long period of time.

Twelve subjects are locked in a nuclear fallout shelter to see how long they can endure before mental breakdown occurs.

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