While Higgins is arranging a television variety show to raise money to save an endangered species of worms no less, Magnum is hired by a woman who claims to have psychic abilities and believes to have foreseen her own murder. Thomas must find who, if anyone, the will-be murderer is, but the woman's visions of fate spell great danger for Thomas too. Meanwhile, Thomas is trying to get his payment from a used car salesman who hired him to find out if his was cheating on him, but events turn much more dangerous than he expects...