Jenny's plan to keep Diana out of competition with stimulants is progressing. She even convinces her father of the plan. Together, they try to persuade Mike to inject Diana with the stimulant; When Ben wants to help Nina in a delicate situation, he is robbed by a gang. Vanessa and Tim want to support Ben in the fight against the gang. When the kids are challenged by the gang to an ominous 'competition', Tim and Vanessa accept the challenge against Ben's protest; Annette instructs Roman to find out if Axel is gay.