It is not clear who wants Nick dead. Charles would inherit End House and Freddie would get the rest of the estate – none of which is worth killing for. At Poirot's advice, Nick calls her cousin Maggie to stay with her for a few weeks. When Maggie arrives, Nick hosts a party with everyone present but George. A renowned pilot named Michael Seton has gone missing, sparking debate about his fate. Nick receives a call while the guests are enjoying the party. Maggie is found dead, wearing Nick's shawl. Nick and Maggie had gone to freshen up, after which Maggie wore Nick's shawl. George is relieved to see Nick alive. Realizing that Maggie was killed by mistake under his nose, Poirot becomes furious, launching an investigation.