17-year-old Michael dreams of a future as a pianist, but his music education is not going smoothly. In his search for inspiration, he receives help from an unexpected source: his brother Danny introduces him to the emerging Rotterdam “gabber” music scene. Michael is drawn into a world of hard beats, brotherhood and drugs. When Danny's drug business reaches international proportions, the brothers must fight for their lives.

Christmas is celebrated with the people you love. Right? In De Grote Hummimummi Kerstspecial Hummimummi wants to film a karaoke special, together with his best friend Oessiepoessie, but Oessiepoessie is lovesick and does not want to. They fight and each decide to make their own Christmas show. It ends in a battle, when both of them acquire the help of the best singer of The Netherlands. Will Hummimummi and Oessiepoessie unite before Christmas?