Magnum, P.I. (1980)

Magnum is hired by an attractive ""ghost writer"" who is writing a biography of eccentric millionaire Harold Farber - whom she has never met in person, communicating only via phone – when all her notes on Farber are stolen, in an obvious attempt to stop the book ever being written. As they investigate, they find themselves in the middle of a highly mysterious situation. Meanwhile, T.C. has landed himself a highly lucrative but shady piloting job delivering chemicals to a high-rise, but the building he is making the deliveries to turns out to be at the centre of the mystery...