Deputy Police Chief Brenda Leigh Johnson, a police detective who transfers from Atlanta to Los Angeles, heads up a special unit of the LAPD that handles sensitive, high-profile murder cases. Johnson's quirky personality and hard-nosed approach often rubs her colleagues the wrong way, but her reputation as one of the world's best interrogators eventually wins over even her toughest critics. Her innate ability to read people and obtain confessions helps her and her team solve the city's toughest, most sensitive cases.