Following his wife's recent passing, single father Lucky finds himself navigating the challenges of raising his son Mason, who has Down syndrome. Mason is an 11-year-old exuberant boy who enjoys drawing and watching baseball with his dad. Seeking solace, Lucky and Mason embark on a journey across Metro Atlanta to attend their first baseball game together. Throughout their day-long trip, they encounter Murphy's Law. From car breakdowns to missed trains, the duo faces a series of obstacles that test their relationship with each other. Despite the setbacks, they persevere, determined to reach the game. Together, Lucky and Mason learn that healing does not await them at the mountaintop, but can be found with every step along the path. Color Book provides an intimate portrait of a father and son while exploring the experiences of raising a child with Down syndrome, highlighting the strength and resilience that emerge from their bond.