Cripps the Carrier by Richard Doddridge Blackmore

Esther Cripps, the younger sister of the Carrier, Zacchary Cripps, witnesses the disposal of what appears to be the body of the only daughter, Grace, of Squire Oglander of Oxford. Grace's suitor, Russell Overshute, is not convinced with the Coroner's inquiry, and enlists the Carrier to help him investigate the situation. - Summary by Keith Salis