Unlikely couple Ben and Lindsey meet and fall in love over the winter. When summer brings a new baseball season, Lindsey discovers Ben's devotion to the Boston Red Sox baseball team knows no bounds - and suspects she will always come second. The Farrelly brothers' romantic comedy, starring Jimmy Fallon and Drew Barrymore, inspired by Nick Hornby's football-themed novel Fever Pitch, but with America's favourite sport replacing Britain's.

When Ben Wrightman, a young teacher, begins dating pretty businesswoman Lindsey Meeks, the two don't seem to have a lot of the same interests, but they fall in love, regardless. Their romance goes well until baseball season begins, and Lindsey soon realizes that Ben is completely obsessed with the Boston Red Sox. Though she tries to understand Ben's passionate team loyalty, eventually it threatens to end their otherwise happy relationship.