The 4 season of Major Crimes was broadcast on TNT (US) from lundi 8 juin 2015 to lundi 14 mars 2016. It consists of 23 episodes, the first one is called "A Rose is a Rose" and the last one "Hindsight: Part 5".
As the new boss, McDonnell's Captain Sharon Raydor is determined to lead the department with a more team-oriented approach, sharing the credit with the people with whom she works.
The show focuses on how the American justice system approaches the art of the deal as law enforcement officers and prosecutors work together to score a conviction.