Look and Read

Blackmail (4x2)

Air date: Jan 23, 1973

The next day while cleaning out Mike's old room at the farm Joe and Jill find part of a burnt message that mentions blackmail. Worried about Mike Joe goes over to the Beasleys' farm to see Mike under the pretence of returning Mike's forgotten cap and discovers a flock of sheep whose painted markings show that they belong to another farm.