The government wants to shut down the Zoo and eradicate the animals. Edward wants to save the animals and hopes to have them transported to safety and far away from the horrors of the war.
Enter a couple of warring magicians, who are invited to Edward's home for dinner along with the "Old Man", Henry Merrivale. On reaching the Benton's house they find his daughter missing and the house being conspicuously empty. Soon they discover that Edward Benton's study is locked and then the poor man is found dead inside. People around him start contemplating that since the room was locked from inside and Edward was very stressed he might have committed suicide. There was only one problem "He Wouldn't Kill Patience"