Private detective Nigel Strangeways and his “Doctor Watson in a skirt,” his wife Georgia, tired of the worries of their profession, decided to settle in the provincial wilderness. From now on, they are no longer looking for new business. But new cases find them on their own! It all started when Georgia stumbled upon a mysterious medallion belonging to the Strangeways’ neighbor, Major Keston. The Major is acting strangely and Nigel suspects he may be connected to the smugglers. Together with his wife, Nigel begins an investigation - and soon comes to a shocking conclusion: it seems that we are talking about high treason... The ancient Easterham estate is shocked: the body of the sister of the owner of the estate is found. The police are inclined to assume suicide, but Nigel Strangeways is convinced that the beautiful Elizabeth was mercilessly killed. The most obvious suspect is the victim's fiancé, the famous writer Will Dykes, whose relationship with Elizabeth was far from simple. However, Nigel is sure: in fact, both the owners and guests of the estate had a motive to get rid of Elizabeth...