Come Easy - Go Easy — James Hadley Chase

When Chet Carson broke jail he thought he'd found a safe hideout in a lonely filling station. But instead he finds himself caught up in a dangerous threesome - an elderly owner, his gorgeous wife, Lola, and a safe with a fortune inside, which Lola wants. Her chance comes when she uncovers Chet's identity and threatens him with jail unless he opens the safe. Chet is in dead trouble. If he lands in prison again he'll be crucified, but if he opens the safe Lola will pin the rap on him anyway. Somehow there has to be a third way ...