Jimmy Price, an irresponsible adult with a dwindling career in doubles tennis, finds himself at a crossroads when his most recent partner abandons him, signaling that he’s exhausted all his options in the professional circuit. Determined to give his career one final shot, he turns to his past and persuades his estranged brother Darren, a disinterested substitute teacher, to join him as his partner. With the unexpected assistance of an extraordinary 11-year-old named Barry, this unlikely duo embarks on a surprising journey towards a grand slam tournament, rediscovering both their skills and their brotherly bond along the way.