Carl met Nini, a beautiful girl from Vienna. He firmly believed that this girl was his destined true love. But because of a careless move, he lost the girl's phone number. The only thing he knew about his dream girl was that she would appear at the famous Sacher Cafe at 3 pm on her birthday every year. Overwhelmed by love, Carl left Berlin for Vienna and waited for his future true love every day at Sacher Cafe. During the days of waiting, he made many new friends, including the lively pastry chef Miriam. While looking for true love, they traveled around Vienna together.