The trailer introduces the two main characters as they get married in a mysterious location. Their wedding seems suspicious as uniformed men appear and the officiant tells the couple to "run." Memories of the couple's happy relationship are then shown, but the male narrator questions what would happen if he couldn't remember them. As his wife loses her memory in a car accident, he angrily tells the doctor that "she doesn't remember me." The trailer builds intrigue around the couple's relationship and her memory loss while maintaining an upbeat tone to appeal to romance movie audiences.