Leiutenant Gormley is attacked outside of his home by a mob. Danny and Frank seek justice with help from Detective Anthony Abetemarco.
The team attempts to identify victims of an explosion in a hotel garage from their remains; Sweets teams up with a new partner and Booth works on the budget.
Paul stands in the way of Susan receiving a kidney transplant; Tom passes up a lucrative job to continue working with Carlos; Andrew's alcohol consumption increases, worrying Bree.
When a contestant on a hit competition show is found murdered in her dressing room, Castle and Beckett must navigate the case's many twists and twirls without stepping on each other's toes.
Briscoe and Curtis have a hard time finding cooperative witnesses when investigating the murder of a college student at a rough biker bar.