As Skandar and his friends enter their second year at the Eyrie, wild unicorns are being killed and terrible storms threaten the Island, while meanwhile Skandar is determined to help his sister, Kenna, join him.

Thirteen-year-old Skandar Smith has always wanted to be a Unicorn rider, but when the mysterious Weaver steals the most powerful unicorn in the world, Skandar must face sky battles, ancient secrets, and bloodthirsty unicorns in order to save his island.

Olivia hopes to bond with her unicorn, Snowflake, before graduation day, but someone has set out to ruin the graduation ball and a secret Olivia has been keeping may be revealed.

Layla must overcome her cautious nature and take her unicorn Dancer on a dangerous ride to find a cure for the trees dying around Sparkle Lake.

Unicorn wants to be as perfect as everyone seems to think he is, so when he embarrasses himself in front of Kitty he is afraid Kitty will no longer want to be friends with a not-so-perfect Unicorn.