Stan Smith becomes obsessed with a new competitive miniature golf course that opens in Langley Falls, believing it to be the perfect father-son bonding activity. He drags a reluctant Steve into a high-stakes tournament, but their teamwork is tested by Stan's overbearing coaching and Steve's secret alliance with Roger, who has his own bizarre scheme involving the windmill obstacle. Meanwhile, Seth MacFarlane's Francine and Rachael MacFarlane's Hayley attempt to build the world's largest ball of yarn in the garage, a project that quickly spirals out of control and threatens to consume the entire house. The family's separate pursuits collide in a series of chaotic putts and tangled threads.
