In Seattle, Tony is on the scene when a serial bomber strikes again the day after Tony's goddaughter is injured in a bombing.

Personal problems dog Ann as the team investigates the fourth strangulation death of strong men who apparently did not struggle with their killer.

The team differs on how to handle a 6-year-old (Codie Lucas Wilbee) who apparently slept through the latest in a series of murders of middle-class couples whose bodies are removed from the scene.