While researching his novel "In Cold Blood", Truman Capote develops a close relationship with convicted murderers Dick Hickock and Perry Smith.

At a home for retired musicians, the annual concert to celebrate Composer Giuseppe Verdi's birthday is disrupted by the arrival of Jean (Dame Maggie Smith), an eternal diva and the former wife of one of the residents.

An aspiring teen detective stumbles into her first real case, when investigating the mysterious new family in her neighborhood.