Dr. Shaun Murphy's attention to detail complicates his first day; Dr. Claire Browne learns a valuable lesson about honesty when confronted with a difficult diagnosis for her patient.
A séance at Sam and Jay's last-minute Halloween party conjures up a spirit from Hetty's past. Also, Isaac worries Nigel will be turned off by his ghost power.
When a public defender is murdered, Cosgrove and Shaw are surprised to find Price at the crime scene.
After a white nationalist plows his car into a peaceful demonstration and gets away, a survivor takes justice into her own hands.
When a bomb kills six on a helicopter flight, evidence points to a victim's wife who is influenced by two financial advisers (Annette O'Toole, Michael McKean).