Private Lives (1931)

Amanda (Norma Shearer) and her new husband, Victor (Reginald Denny), are on their honeymoon in Switzerland. As luck would have it, in the same hotel in a nearby room, enjoying his honeymoon, is Elyot (Robert Montgomery), Amanda's ex-husband, who just married Sibyl (Una Merkel). When Amanda and Elyot cross paths they realize they still care for one another. They quietly rendezvous, only to start bickering, leaving them both to wonder if being apart is just as impossible as being together.