"It is a very unique way to assassinate someone, letting a number of extremely aggressive exotic snakes into their apartment." It's Christmas time in the City, and no one is waiting up to hear bells ring or children sing, counting down until Christmas Day. There's a killer at work, going about the business of murder in a most interesting way. Color Holmes and Watson intrigued and then stumped. An offer of assistance by a recently released Moriarty and a stake out at the Bronx Zoo begin what is sure to be a whirlwind conclusion of a case.