In his early years as a detective, Hercule Poirot is invited to a reception by the influential Van den Bosch family, for the announcement of their daughter engagement. But tensions amongst the guests run high as a snowstorm descends on the town, trapping everyone inside the manor. The happy event is soon marred by the murder of one of the guests In the right place at the right time, Poirot immediately begins to investigate. What buried secrets and deadly rivalries will he uncover?