looks for Sally and sees Glen's duffel bag. Sally takes a cab to the Francis house and sprints to the bathroom. She later hugs Betty tightly and explains that her menstrual cycle has started. Glen shows up at the Draper apartment and tells Megan that Sally left him at the museum. Betty phones and tells her that Sally "became a woman today," and just needed her mother. Megan insists Glen stay until she can drive him to his train. Betty gives Sally a hot water bottle and assures her that starting her cycle means "everything is working." Roger rallies Don as they wait outside Baxter's (Ray Wise) office. Inside, Don puts aside Baxter's concerns about the advertised anti-smoking letter and insists Dow Chemical needs a new agency, despite having 50% of the market share. Don chides Baxter and his staff for allowing Dow to be satisfied with a 50% market share when they should go after more - and SCDP is the agency that can help them do it. Lane's secretary drops off some company records with Joan, saying Lane has not arrived and his office door is locked. Joan tries to open Lane's door to find it blocked, and is disturbed by a foul odor and the sight of an upturned end-table. She goes into the neighbouring office, where Pete, Harry and Ken are conversing, and informs them. Pete hops up onto a couch to look into Lane's office through the partition window; he claps his hand over his mouth in shock, and Ken holds Joan as she bursts into tears. Back from their meeting with Dow, Don and Roger arrive to a nearly empty office. They soon discover Cooper, Pete and Joan seated in the break room and are informed by them that Lane hanged himself. Cooper tells them the other employees do not know yet, and were sent home on a contrived pretext. Don, Pete, and Roger force their way into Lane's office and find his corpse dangling from the door. They cut it down and place it on the couch to preserve his dignity, against the advice from the police about not tampering with a crime scene. Roger picks up a note from the floor and opens it. He tells the group that it is Lane's boilerplate resignation. At home, Don offers to drive Glen back to his dormitory at Hotchkiss in Connecticut. Glen states that