Eliza succumbs to peer pressure from a ””teenage”” elephant, which gets in the way of her closeness with Marianne on an overnight trip.
Sterling Cooper receives a surprise visitor; Sally has been spooked by something (or someone); and Joan receives some shocking news.
The firm celebrates as they hit a milestone. Peggy and Paul compete to secure the same account.
Hawk searches for something in the woods while Cooper learns that his fate in the Black Lodge may not be sealed after all.
Jimmy and Gretchen find themselves falling for each other despite their better judgment.