Must Have Been Love (2012)

On holiday in Istanbul, the Finnish girl Kajsa meets charming Norwegian Jakob on his last night of the holiday. She falls head over heels in love and they have a wonderful one night stand. The morning after Jakob leaves back home to Oslo, and Kajsa don't know more than his first name. Kajsa can't forget their meeting, and some time later she accidentally meets Jakob again in Oslo in a shop. But he can't remember anything from their previous meeting.