No, "Mr. Brooks" is not based on a true story. The film, released in 2007, is a fictional psychological thriller that follows the character Earl Brooks, a successful businessman who leads a double life as a serial killer. While it explores themes of duality and morality, the storyline and characters are products of the filmmakers' imagination rather than real-life events. The film stars Kevin Costner as Mr. Brooks and features a blend of crime, drama, and suspense.

"Mr. Brooks" is available for streaming on platforms like Amazon Prime Video, Google Play Movies, and Vudu. You can also check subscription services like Hulu or rent it through services like YouTube and Apple TV. Availability may vary based on your region, so it's a good idea to search on your preferred streaming service or check for digital rental options.

As of October 2023, "Mr. Brooks," a psychological thriller starring Kevin Costner as a serial killer grappling with his darker impulses, is not available for streaming on Netflix. However, streaming availability can change frequently, so it's recommended to check Netflix directly or use a streaming aggregator to see if it becomes available in the future. For now, you might find it on platforms like Amazon Prime Video, Hulu, or for rental on services like Google Play or Apple TV.

The ending of "Mr. Brooks" leaves viewers with a sense of ambiguity regarding the protagonist's future. Mr. Brooks, played by Kevin Costner, has been battling his violent alter ego, Marshall. After a series of events, he appears to have embraced his darker side, suggesting he may continue his life as a serial killer. The final scene, where he drives away with a sense of calm, indicates a surrender to his impulses. This reflects themes of duality, the struggle between good and evil, and the consequences of one's choices, leaving the audience questioning his ultimate fate.