True Detective is a crime drama television series that premiered on HBO in 2014. The show follows two detectives, Rust Cohle and Martin Hart, as they investigate a series of murders in Louisiana. The narrative is told through multiple timelines, with the detectives being interviewed separately in the present day about the case. The show explores themes of existentialism, nihilism, and the nature of evil. The first season was critically acclaimed and won several awards, while the subsequent seasons received mixed reviews. The show features an ensemble cast, with Matthew McConaughey and Woody Harrelson starring in the first season.