The Guardians are going to the beach. They can't wait for the sand, sun, and, of course cute lifeguards. But their vacation soon takes a different turn. A visit with Yan Lin in Candracar reveals a new threat against the Guardians. Nerissa, an ancient Guardian, has turned evil and is set to take her revenge on the five Guardians. The girls must find a way to stop her devious plan... before it's too late.