Liam, Noah, Emma and Olivia are quite happy. They were invited to visit British Columbia bear Park! They are going together with their father who is studying the Bear population. The famous geneticist is involved in the protection of the furry beasts. Doctor Cole, the vet in charge of the project is also a scientist and he is glad to count on Armadi's help. At their arrival, they face an unexpected situation. All the momma bears accounted for the project have lost their cubs! The twins can't accept that! How can seven-pound babies disappear? How is it possible if anyone with a brain knows that momma bears are not fun to deal with when their cubs are involved? They know they will solve the mystery. We know it'll be thrilling!