Set in the New Forest. A young man named Richardson is spending a few days under canvas, awaiting the arrival of a friend, before transferring to an hotel. One night he returns to camp to find a dead man in his tent and immediately telephones the police. But when they arrive the original body -- that of a man Richardson knew and with whom he had quarreled - has been exchanged for the body of a man he did not know. The first body reappears in a wood and suspicion for both deaths falls upon Richardson. Dame Beatrice LeStrange Bradley enters, and all her wits and intuition are required to probe and elucidate the mystery, and to save a man having to stand trial for the double murder.