Jackie is asked to authenticate some artwork in Paris. The art is stolen by Origami, a thief who can fold himself like paper. Jade calls Viper hoping the ex-thief can help them capture him.

Jackie and Uncle are supposed to explore an underground city the same night as Jade's theatrical debut. Jade's upset that no one will be there to see her perform, and comes up with a solution. An ancient evil is freed from the underground city seeking revenge on the descendants of the one who imprisoned it.

While examining some antiques in an old castle, Jackie and company encounter a vampire who lives by draining people's chi. When the vampire drains the chi of of the family, the remaining members find a way to temporarily revive their fallen comrade. With the vampire growing stronger with each victim, they must quickly find a way to defeat him permanently.