Count Yves de Montalembert invited well-known and influential guests to his estate “House of Three Elms”: a general, a doctor, a journalist, and the rival businessman’s wife. However, the true reason for this gathering was a secret agreement with the outstanding detective Louis Forestier. But before the plan could be carried out, the count was murdered in a locked room.
Now Forestier must solve not only the mystery the count entrusted to him, but also an unexpected killing committed under strange circumstances. Everyone in the mansion becomes a suspect. Yet this case isn’t just a classic locked-room murder—it hides an even more tangled secret.
In this house, nothing happens by accident, and everything around is a mysterious puzzle that an experienced detective must figure out.