Lily and her unicorn, Feather, are eager to make friends and learn to be guardians of Unicorn Island, but will they be able to stop the strange tornadoes threatening Unicorn Academy and its students?

Zara is dertermined to find out who or what is causing a terrible heatwave on Unicorn Island, but when her search puts her in danger Moonbeam uses her newly discovered magic to try and save her friend.