Tread Perilously sits down to Thanksgiving dinner with Sally Draper and several members of the cast of Mad Men.

While Roger and Don plot to nab new accounts, Betty plants doubts in Sally's mind about Don and Megan's willingness to be truthful around her. Betty also deals with her Weight Watchers goals as Don reasserts his creative bona fides in the office. Peggy drink and works at the same time and Megan deals with the fallout from Betty's plot. Roger disregards Jane's wishes for his own ends. Sally clowns Betty and Don unleashes some sick burns. Meanwhile, Pete Campbell dreams of a naked Rory Gilmore.

Erik reveals his hatred of puffy-lettered logos and his love for the Draper apartment. Justin discusses his unconditional love of Mad Men. Megan is declared a decent person. The pair recall the old furniture in their respective childhood homes and Erik's failed attempts to experience snow. Corn subsidies are declared a white privilege and angry steak makes another appearance as Doctor What (Roger Sterling) gets his mellow harshed by the Social Justice Daleks.