Simon goes fishing with a glamorous girl - and catches a much bigger net of fish than he expects.
A consignment of industrial diamonds is hi-jacked after its arrival in England, and the Saint plunges into a case full of unexpected twists and turns.
Simon finds out that the sun doesn't always shine in Italy and there is always a warm welcome when you're the Saint and hot on the trail of a gang of racketeers who intend to seek revenge.
The Saint uncovers a vicious vice ring in Southern France.
Steed and Venus find The Decapod just as murderous as his namesake, the ten-armed sea monster.