In the Nine Streets in Amsterdam everyone seems to be looking for love. Everyone except Daan, that is. One day Katje comes into his life. The pretty fashion designer opens a trendy shop next to his catering store. The two are each other’s polar opposites, yet Katje secretly warms up to her neighbor. When she finds out Daan is dating online, she sends him an anonymous message. Somehow Daan, who can’t stand the real Katje, starts to fall for her digital counterpart ‘Girl Next Door’.