Rosamunde Pilcher: Stunden der Entscheidung (1997)

Finally the time has come. During the holidays, Christabel, who is studying in the USA, travels to her parents. To her parents' surprise, she is joined by her future husband, Nigel. When the wedding preparations are in full swing, she meets her childhood friend Sam and realizes that she feels more for him than friendship. Suddenly Christabel is no longer sure who her heart beats for.