The story revolves around the rich and beautiful young woman Lynette Ridgeway, who is betraying her best friend Jacqueline Balfour with her fiancé Simon Doyle, and soon to marry him. The bride and groom decide to spend their honeymoon, but her heartbroken friend Jacqueline Balfour has never forgotten her betrayal and followed it everywhere In order to get revenge on them, to arrive in Egypt, and happened to be staying in a hotel where the investigator Hercule Poirot, Buaro and the new spouses and their escort - Jacqueline - and a number of other passengers a steam locomotive to tour the River Nile, but one day is found dead Linet , Where the investigator begins Real in the case to discover its hidden, who is the killer ?!