The day of the big final race for the new class has arrived. During the break, Dani learns from her parents that her sister Steffi has disappeared without a trace. On the way to the start of the second race, Dani receives a disturbing voice message. Now she has to make a decision: Should she race for victory or set off in search of her sister? ... Luca's ski find triggers an avalanche of events that lead to the uncovering of the truth about Paul Zeiler's death. Led by Nikki and Dani, the whole story takes a new turn. The person you would least expect is obviously to blame.