The Rat Pack (film) become a big success despite the breakup of his partnership with Jerry Lewis; Sinatra's career is at its peak; Sammy Davis, Jr., is making a comeback after a near fatal car crash, and standup comic Joey Bishop is gaining exposure as an opening act for the other three. The Pack becomes complete when Sinatra reconciles with actor Peter Lawford, who has been ostracized since being seen out publicly with Sinatra's ex-wife, Ava Gardner. Lawford has married Patricia Kennedy. Abandoning a notion to seduce Pat for his own amusement, Sinatra becomes more interested in her brother John F. Kennedy's political ambitions.
Rat-baiting was a requirement for the capture of potentially thousands of rats. The rat-catcher would be called upon to fulfill this requirement. Jack Black, a rat-catcher from Victorian England supplied live rats for baiting. Faster dogs were preferred. They would bite once. The process was described as "rather like a sheepdog keeping a flock bunched to be brought out singly for dipping," where the dog would herd the rats together, and kill any rats that left the pack with a quick bite. The ratting dogs were typically working terrier breeds, which included, but were not limited to, the Bull and Terrier,