Ollie Hartmoed grows up in a completely dysfunctional family, with divorced parents, a paternal grandpa of 99, maternal grandpa Luc was just left by grandpa for failing to spontaneously offer an appealing retirement project. Olie has to move in with ma's new partner Ralf Klein's family, which has three sons already, but hopes a surprise wedding party will spread happiness among the family. Because the country's largest draperies shop bears the family's name, Ollie chooses those as present. His neighbor girl Germaine, daughter of alderman Tulp, seems as perfect to him ...