An elderly woman, Evelyn Mercer, is murdered at a convenience store in Highland Park, Michigan, when a robbery occurs resulting in the death of the store clerk, leaving Evelyn as the only witness. The incident brings her four adopted children back to Detroit, Michigan, to find out what happened. The oldest is a lifelong criminal, the irascible Bobby; The second oldest is Jeremiah, a family man and union construction worker; the third oldest is a former con man and former US Marine, Angel; and the youngest is aspiring rock musician Jack.