Erin's Mom. Bunny comes to Lindsay with a concern that leads the team to a case that robbery-homicide has been investigating, Voight is suspicious of Bunny's motives.
When a petty officer is murdered, the crime matches a local serial killer's method of operation; Delilah and McGee prepare to move in together.
When a kidnapped officer escapes her captor, the team discovers a strange connection to her missing husband; Abby knits gifts for the new members of NCIS.
Grissom and his team battle the flu when they are called upon by DDA Klein to investigate the deaths of several key witnesses for a grand jury case against a dangerous Las Vegas gang.
Odo is forced to return to his homeworld to be judged for killing another Changeling.