Summer of magic quartet

Holly, Owen, and Chantel must restore the balance between Light and Dark on their own after the Dark Being kidnaps Adam and moves to take over Earth and the universe.

Chantel, Adam, Holly, and Owen set out to help the Great White Horse Equus find his mate and regain his magical talisman.

The four cousins must retrieve Myrddin's staff before the Dark Being discovers its hiding place deep in the heart of Glastonbury Tor.