When Joan's freewheeling nephew, Mikey, comes for a visit, the family members are on edge since nobody really likes him. Also, Tyler brings Clementine, to visit his great-grandmother, Greg and Jen find a solution to their sleeping woes, and Matt takes over for Tim as Sophia's soccer coach.

The first season concludes with John and Joan revealing a shocking secret they've kept from their kids for 35 years. Also, Greg quits his job after creating a public funding campaign for his own invention. Heather and Tim try to make up for missing Samantha's Student of the Month Ceremony at school, and Matt's plan to make a big announcement at his and Colleen's book party keeps getting delayed.

When Tim accidentally shaves off a huge chunk of eyebrow before an important photoshoot, he hopes Jen and Colleen's grooming expertise can fix it. Also, when Gigi passes away, Greg makes an anonymous donation with the money she left him, but later realizes he wants to be recognized for it; John learns firsthand what Gigi's life was like at the nursing home; and Joan honors her mother's memory with unusual jewelry.