Det. Mack "Mac" Taylor is a driven crime scene investigator who believes that everything is connected and there is a story to every crime. He and his partner, Det. Stella Bonasera, a workaholic and jack-of-all-trades, share a passion for the job. They head up a team of detectives and forensic experts in the city that never sleeps, including Danny Messer, a Brooklyn-born investigator with a colorful family history, Dr. Sheldon Hawkes, a reclusive coroner and former surgeon, homicide Det. Don Flack, an edgy investigator with a quick wit, and Aiden Burn, a smart and sexy investigator whose chameleon-like behavior allows her to adapt to any situation at any time. This team of investigators comb the streets of New York City to piece together clues and eliminate doubt in order to crack their cases.