Love and Mr Lewisham (Penguin Classics)

Young, impoverished, and ambitious science student Mr. Lewisham is locked in a struggle to further himself through academic achievement. But when his former sweetheart, Ethel Henderson, re-enters his life, his strictly regimented existence is thrown into chaos by the resurgence of old passion; while she returns his love, she also hides a dark secret. For she is involved in a plot that goes against his firmest beliefs.