"The Code, Part 1 of 2: Breakin' the Law" continues in Detective Comics #737
The Joker sends Harley out on a joyride, just to get her out of his hair. While she's gone the Joker continues his inquisition style questioning of some captured men, trying to find out how thePenguin is smuggling items into the quarantined Gotham City. When Harley returns, she informs the Joker that she has found new living arrangements for the both of them and invites him to come see