Evil Wolfbane, leader of the villainous Night Witches, is on the loose once more. Released from his shackles of space and time, he plans to take over the world by capturing King Arthur's sword, Excalibur, the most powerful weapon ever made.

Luckily, Abby and Spike, and their incredible Light Witch friends, discover his devilish plot in time. Together they travel back to the old Wid West with Excalibur safe in their keeping. But now they must face Bullwhip Kate, an army of cactus men, and an exploding mountain, in a final showdown that will call upon all their courage and magical power!