In the film You Can Count on Me, Laura Linney plays the role of Sammy Prescott, a single mother who is trying to balance her responsibilities as a parent with her own desires for independence. The movie explores the complexities of family relationships and the challenges of finding one's place in the world. Linney's portrayal of Sammy is nuanced and heartfelt, capturing the struggles and joys of a woman trying to navigate life's uncertainties. You Can Count on Me is a touching and relatable film, and Laura Linney's performance shines as she brings depth and authenticity to her character.