As she came close to the Greenwitch she felt the unimaginable force, but the great loneliness too... In their desperate quest to find the grail, stolen by the terrifying forces of the dark, the Drew children have returned to Trewissick. One night Jane watches the village women construct the Greenwitch, an ancient offering to the sea. Overcome by the Greenwitch's power, Jane makes a perilous wish - one thet will tip the balance in the ongoing struggle between goo and evil.