Once again, Tara and her friends must face Selenba. This time, the vampire has managed to steal the horn of a unicorn from OtherWorld – but what on Earth for? When Tara finds out that the horn can be used to absorb other Spellbinders’ powers, she, Cal and Sparrow race off in search of the terrible vampire. Unfortunately, the naïve Tara falls into Selenba’s trap and the young Spellbinder finds herself stripped of her powers! Meanwhile, wildlife enthusiast Henry Delachasse has kidnapped the unicorn. How will our three young Spellbinders rescue the magic beast and get rid of Selenba without Tara’s powers?