The Tower, the Zoo and the Tortoise

Balthazar Jones, a Beefeater, lives in the Tower of London with his wife, Hebe, his one-hundred-eighty-one-year-old pet tortoise, and a few eccentric neighbors. Their marriage is teetering on the brink of extinction since their son died. When Balthazar is unexpectedly tasked with setting up an elaborate menagerie within the Tower to house the many exotic animals given to the Queen his life is about to get all the more interesting.