When Miss Marple comes up from the country for a holiday in London, she finds what she's looking for at Bertram's Hotel: traditional decor, impeccable service and memories of childhood. What she doesn't expect is the unmistakable atmosphere of danger behind the highly polished veneer. Yet, not even Miss Marple can foresee the violent chain of events set in motion when an eccentric guest makes his way to the airport on the wrong day...