Barnaby Jones (1973)

S1E6 The Loose Connection

The ideal scheme for smuggling heroin involves stashing it in the radiator of a car belonging to an unsuspecting tourist—Barnaby Jones. When the heroin is swapped out for sugar, Barnaby becomes a target, facing intimidation from both the supplier and the buyer. Now, he must race against time to uncover the truth behind the dangerous mix-up.