When two seemingly different crimes turn out to be related, the CSIs discover they’re interlocking parts of the same revenge plot.

Corday clashes with new surgical resident Paul Nathan regarding his intervention into the treatment of a sickly young woman, Alison, who has signed a “do not resuscitate” order. Abby wonders…

Peggy’s family hosts a lunch for their church’s new priest; Don and Betty enjoy a weekend together; Freddy and Ken take a client out to lunch; the staff works to…

Peggy’s taste in men proves questionable. Pete has to make a big decision about his career and a candidate makes a big impression on Don.

Don’s father-in-law pays a visit to his daughter’s family. Peggy works hard on a campaign while the firm tries to decide if they will accommodate an unusual request from a…

Don loses an account. Roger, stuck in the city for Labor Day weekend, attempts to cheer him up. Meanwhile, Joan has a night out on the town with her roommate.

A taboo office romance is revealed. At a brainstorming session, Peggy proves to be more than a secretary, opening up new opportunities for her at Sterling Cooper. Meanwhile, Rachel faces…