The Guilty River - Wilkie Collins

After his father’s death Gerard Roylake returns from Germany to take up his inheritance at Trimley Deen. On one evening he meets his childhood friend, Cristel Toller. They fall in love, but there is a crux. A deaf man, called The Lodger is obsessed with Cristel. He invites Gerard to tea with evil intentions… and Gerard accepts the invitation.

The book is written in the first person and tells the story from Gerard's point of view. (Summary by Diana Majlinger)
Additional proof-listening by Betty M.