The following year, Lee's film "Poetry" was released. The film tells a story of a suburban woman in her 60s who begins to develop an interest in poetry while struggling with Alzheimer's disease and her irresponsible grandson. It garnered positive critical reviews and won the Best Screenplay Award at the 2010 Cannes Film Festival. Notably, the film's starring role was played by Yoon Jeong-hee, who was returning to the screen after an absence of 16 years. For this film, Lee won Achievement in Directing in Asia Pacific Screen Awards. "Poetry" also won Best Film and Best Screenplay at 2010 Grand Bell Awards, and Lee won Best Director at 2011 Baeksang Arts Awards.