Elin is back in Iceland! She can hardly wait to see Ljósadís again, the little mare who mourns so deeply for her lost foal. And she hopes to reunite with Kári, the mysterious Icelandic boy who had such a way with horses and saved her multiple times. The boy she has even fallen a little bit in love with. But Kári has vanished without a trace. During a riding trip through the highlands, Elin feels as if both of them could be out there somewhere. Elin is on the trail of a magical secret... A beautiful, magical horse adventure in the land of elves, fairies, and trolls.