Broadchurch is a British crime drama series where Olivia Colman plays Detective Sergeant Ellie Miller. The show follows the investigation of a young boy's murder in a small coastal town, delving into the impact it has on the community and the lives of the people involved. Olivia Colman's performance in Broadchurch received critical acclaim, showcasing her ability to portray complex emotions and navigate the intricacies of a gripping crime story.