Laura Linney, in her Oscar®-nominated role, and Mark Ruffalo star as grown-up siblings who couldn't be more different. While conservative Sammy (Linney) stayed in her quiet hometown, rebellious Terry (Ruffalo) was on the road, drifting in and out of trouble. When Terry suddenly comes to visit, his presence has a profound influence on Sammy's world. As Terry forms a special friendship with Sammy's precocious eight-year-old son, Rudy (Rory Culkin), Sammy rediscovers her passion for life, entertaining a marriage proposal from her boyfriend (Jon Tenney) while having a fling with her boss (Matthew Broderick). But when Terry's behavior becomes disruptive, Sammy must finally confront the choices of the past... and make new ones to renew her family's future.