The Saint investigates a racket in which illegal immigrants are being smuggled into Britain as slave labour in various Mafia-run establishments. His involvement leads him to personal tragedy and the head of the enterprise
Steed and Mrs. Peel try to trap a comic book killer.
Three captured Russian spies, one of whom is assigned to assassinate Steed, escape from a seemingly escape-proof prison hidden in Oldhill Monastery.
A forest fire forces a short truce between Robin and the sheriff.
Marian saves Robin from a noblewoman's plot to capture him.