A crime series
This week: Colin Blakely as Jeffrey Farnol's Jasper Shrig assists in "The High Adventure"
Dramatised by Hugh Whitemore
Also starring Isobel Black, Simon Oates

Jeremy Veryan, heir to the estates of Veryan, leaves his guardian's house and goes in search of 'The High Adventure.' Mysteriously he is struck down by an unknown assailant. Jasper Shrig, a Bow Street Runner, dedicated to the pursuit of 'Windictiveness' in all its manifestations, hears of this assault and comes to his assistance. Together they set out to track down not only the threat hanging over Jeremy but also the shadow that darkens his childhood - the mystery of his parents' death.