Season 1 begins on April 4, 1968, with Dean organizing an integrated baseball game to impress his crush, Keisa. The day is disrupted by the assassination of Dr. Martin Luther King Jr., prompting Dean to see his father Bill weep for the first time. Throughout the season, Dean navigates school pursuits and unrequited feelings for Keisa, while Lillian takes a high-stakes state accounting job and confronts subtle institutional prejudice. The season culminates with Bruce returning from the Vietnam War visibly altered by combat.
Season 2 picks up during the summer and fall of 1969. Dean visits New York with Bill, expanding his perspective, and endures his first real romantic entanglements and heartbreaks back home. Bruce struggles with survivor's guilt, while Kim prepares for college. In the series finale ("The Happiest Place on Earth"), the family takes a Southern road trip for Kim's college visits and an intended trip to Disneyland. Facing the logistical realities of Jim Crow travel, the family finds strength in their togetherness. Adult Dean reflects on the bittersweet end of childhood ease as Kim prepares to leave home, cementing the family's enduring bond.