 The Pieten are still trying everything they can to open the basement storage chamber. Meanwhile, Hoge Hoogte and Test Piet find an alternate way to find Fifi and the key, which might just work. Wegwijspiet, just outside of the castle, pondering how he should tell Sinterklaas that he plans on retiring after this run, gets the shock of his life, when two old familiar faces return, who might just be able to help him on this. Meanwhile, Hoge Hoogte and Test Piet try a different way of finding Fifi, through the SBS 6 news program "Hart van Nederland". And in the castle, Prof Piet finds an alternate way to open the locked door. With dynamite...