LISA’s sister comes for a visit, bringing DAVID as a present a copy of a magic scalpel that belonged to their ancestors. DAVID decides to recuperate the original scalpel so he goes to the Himalayas to visit MAHABIR PANDAY. He can inform him with his magic mirrors where the scalpel is. He learns the scalpel is in the temple of Mekong guarded by HOOLEY, the troll, and by black spiders. DAVID, at the end, recuperates his scalpel and takes it back home.