The Grave by Diane M Dickson - Available at Amazon
Samuel is reclusive, He visits town rarely and mixes with no-one until the day he buys Sylvie a drink. The results of the encounter are tragic, life changing and dreadful. Samuel knows that he must get away from his present situation and Sylvie is swept along with him. As the relationship between them deepens Samuel's shadowy past is the biggest threat to any sort of future.