The record-breaking classic embarks on its 75th Anniversary Tour across the UK and Ireland.

A shocking murder rattles London. Far from the chaos, a remote country guesthouse welcomes seven strangers seeking refuge. But when a police sergeant battles through a deadly snowstorm with a warning no one expects, it becomes clear the threat is already within their walls.

Step inside Monkswell Manor, and solve the greatest murder mystery that has kept the world guessing for generations.