Djinn twins John and Philippa Gaunt are on the trail of another magical mystery. As they travel from New York to London to Nepal to India on a whirlwind adventure, the twins try to help their friend Dybbuk find out who murdered his best friend using the venomous snakebite of the king cobra. All too soon John and Philippa find themselves caught up in the lethal world of the Cult of the Nine Cobras - only to discover that they themselves are a target of the creepy cobra cult. Now, the twins must find the invaluable Cobra King talisman and stop the cult leader's deadly plan!