Loke and Bea har sett fram emot en underbar dag på stranden. Men när Loke gräver i sanden väcker han det arga sandtrollet som bor där. Loke ser att sandtrollet har sår på fingrarna och erbjuder honom en spade om han hjälper till att bygga ett sandslott. De blir vänner och bygger tillsammans alla tre. Men Lokes pappa vet inte om deras överenskommelse med spaden…

Loke and Bea have been looking forward to a wonderful day at the beach. But when Loke digs in the sand, he wakes up the angry sand troll that lives there. Surprised, Loke and Bea look at each other and explain to the sand troll that they only want sand for the castle they build. Loke sees that the sand troll has sores on his fingers and offers him a spade if he helps them. They become friends and build together. But Loke’s dad doesn’t know about their agreement with the spade…