In “Diminished Capacity,” Matthew Broderick stars as a Chicago journalist grappling with memory loss who returns to his hometown to help his Alzheimer’s-afflicted uncle, Rollie. The duo pin their hopes on a rare 1908 Chicago Cub baseball card that could fetch enough money to improve Rollie’s living situation.

Together, they venture to a memorabilia convention to sell the prized card, facing various schemers eager to snatch it away. Amidst the comedic chaos, they explore the poignant intersections of memory, value, and family bonds.