Another part of the adventures of Kacper and Emma. This time the siblings set off on a vacation to Malta. While sunbathing on the beach, they find a mysterious gold ring. They decide to return the lost item to its owner. What if the strange find is not of this world? All information indicates that the magic ring comes from Atlantis, which - according to old maps - is located near the vacation island. This time the siblings will need help in solving this mystery. A story full of twists and turns about friendship, mission and sacrifice.