Magnum, P.I. (1980)

S7E6 Death and Taxes

Magnum finds himself entangled in a chilling game as a deranged murderer uses nursery rhymes as a twisted blueprint for their crimes. As the body count rises, Magnum must navigate the dark clues hidden within these innocent verses to uncover the killer's identity before he becomes the next target. With time running out, he races to decode the sinister messages while grappling with the psychological toll of being the killer's fixation.