A chance meeting leads two former college friends into a search for sunken treasure, a search which involves them with the double dealing Landers, supporter of their expedition treasures is discovered, but Landers traps them in an underwater cave.
A man released from prison falls in love with the blind wife of a cellmate, whom he promised, when inside, to visit. He poses as the real husband, planning to kill him, but finds the wife is not so innocent as he thought.
A psychologist comes to believe that the acutely autistic 17-year-old girl that he has been attempting to treat is gifted with telepathic powers, and begins to exhaustively test her capabilities, enlisting the aid of a psychiatric colleague to impartially observe.
