Sharp comic talents collide in this hilarious comedy of opposites. Kate Holbrook (Tina Fey) an uptight single executive, has put her career first all her life. At 37, she finally decides to have a baby, but discovers she only has a small chance of becoming pregnant. Desperate, Kate decides to use a surrogate mum, but her uptight world is turned upside down when the free-spirited Angie (Amy Poehler) moves in to her apartment and the pair engage in a comic battle of wills. Also starring Greg Kinnear and Sigourney Weaver.