Dr. Jake Terrell, who has been training a pair of dolphins for many years, has had a breakthrough. He has taught his dolphins to speak and understand English, although they do have a limited vocabulary. When the dolphins are stolen, he discovers they're to be used in an assassination attempt. Now he is in a race to discover who is the target, and where the dolphins are, before the attempt is carried out.
The Day of the Dolphin is a 1973 American science fiction thriller film directed by Mike Nichols and starring George C. Scott. Based on the 1967 novel Un animal doué de raison, by French writer Robert Merle, the screenplay was written by American Buck Henry.
