Young Sam Greven, 23, is a daredevil. As the head of a sprayer gang, he is known in the scene in the Bergheim district near Cologne and, in addition to his graffiti skills, for which he repeatedly gets into trouble with the law, he has a very high level of criminal energy. When he accidentally met 19-year-old Leonie Hammerschmidt in a bar, the two hit it off right away. But Leonie has just as little idea about Sam's dark side as he does about the fact that she comes from a sheltered family and her father is also a city councillor. Sam falls in love with Leonie and wants to hide his darker side from her at all costs. When a friend of Sam's is badly injured during an illegal sprayer operation, Sam begins to run the gauntlet between true feelings and his own recognition...124 COLORS tells a turbulent, suspenseful story from the sprayer milieu in and around Cologne. A social drama that is almost a thriller.