Mason is the recipient of an unfavorable work evaluation, causing an angry outburst and in turn prompting Tony to hire a corporate therapist to help the group through myriad issues. Meanwhile, Sarah's new relationship begins to soar. She seeks her ex-husband's blessing, only to find out the brutal truth about her divorce from him.

The first season closes with the Mink group winning a crucial account, a victory that inspires Denise to offer a big promotion to Mason. In other events, Conner receives important news regarding his affair with an energy-drink marketer; and Sarah mulls over how to best split up with her boyfriend.