A Scanner Darkly (2006)

Animation - based on psychological novel by Phillip K. Dick. Undercover drug agent (Keanu Reeves) accidentally becomes addicted to "Substance D" while spying on his own drug infested household and friends. Many complications arise as he falls in love with female drug dealer (Winona Ryder) and wrestles with himself when collecting evidence to convict his buddies. Unusual film with very in depth dialog (drug paranoia) and convincingly drawn cartoon characters. Also starring Robert Downey and Woody Harrelson. 100 min.