Two separate people, a man and a woman, find something very stirring about the sea turtles in their tank at the London Zoo. They meet and form an odd, but sympathetic camaraderie as they plan to steal two of the turtles and free them into the ocean.
TV adaptation of the play set in a Cambridge School of English for Foreigners in 1962. St John Quartermaine is a rather ineffective but kindly teacher at the school who, becuase of his gentle character, has hardly any enemies - in fact, the rest of the staff confide in him or generally pplay on his...