The doctors compete for Richard's affections; a surgical patient endangers the lives of those around her; Meredith's mother, who has Alzheimer's disease, experiences a change in her medical condition.
Two members of the team are sent to Iraq when a mortar attack in Baghdad turns into a murder.
The team travel to Portland to stop a gang of suspected murderers, that appear to be targeting a new victim each night before they can strike again.
Brennan's father invites a distant relative, Margaret Whitesell, to spend Christmas with him and his daughter; Brennan and Booth investigate when a man dressed as Santa Claus is blown up after a botched bank robbery.
When investigating a series of brutal murders committed on criminals, to Nick it appears that the culprit may be a character from a Latino legend.
