Robert Emmet Lunney

While investigating the murder of a financial company's CEO, a woman from Sherlock's past emerges as a possible suspect.

Alicia and Diane let a famous lawyer help them.

An eight-year-old girl dies in the explosion of an Upper East Side brownstone and detectives determine faulty wiring is to blame, but with little evidence it is difficult to prove the case.

Kat struggles to face the reality that Julia is dead; Casey is given a slightly inappropriate dress to wear at Julia's memorial service; Marcus and Tomas present footage of the Rance home to papal emissaries to get permission to conduct an exorcism.

A shooting at a local high school leaves four students dead, and the detectives have a hard time finding the student who performed the heinous act.

Angela's distress increases as her daughter's condition worsens; the demon focuses on innocent victims; Father Thomas encounters a face from his past; Marcus gets unexpected guidance; the priests must decide whether to defy the church.