The world of young Mr. Lewisham is one day turned upside down when he meets and falls in love with Ethel Henderson, a young woman from London who is visiting relatives in Sussex. Their brief and innocent rendezvous has significant implications when Lewisham's job is threatened. Some time later, Lewisham moves to London, where he decides to go search of Ethel, but finding her proves to be more complicated than expected ...

This book is said to closely resemble events in H. G. Wells's own life.