Marie gets fed up with Frank after 40 years of marriage and moves in with Ray and Debra. Ray and Robert enjoy being mothered by Marie, while Debra spends quality time with Frank, who discovers salsa and is enjoying being a bachelor again.

After Nick is found to have been killed with all the evidence pointing to Natalia as the killer the rest of the team has been sidelined by the Internal Affairs investigation. Horatio with the help of the night shift lab and Calleigh�s ex-boyfriend have to find the evidence to clear Natalia.

Anya convinces an unsuspecting Willow to assist her with a spell that will return her amulet and, with it, her Vengeance Demon powers. Willow, sensing something wrong with the magic, balks at the last minute and disrupts the spell. Instead of returning the amulet, the spell summons the vampire Willow from the alternate universe in The Wish and sets her loose in Sunnydale.

10 year-old Maddie Harrington shows up on Ally’s door saying she’s her daughter. She’s the result of a mixup on the egg bank Ally deposited her eggs ten years ago. Since Maddie’s father died six months ago, she’s been living with her aunt, who sings TV themes on nightclubs for a living. After a lot of talking, Maddie decides to stay in Boston with Ally on a trial basis until they resolve where she will stay. Meanwhile, Richard takes the case of a man who killed his wife after kicking her in the head when he mistook her for a soccer ball. John doesn’t think he’ll be able to win the case because he can’t litigate, but Richard surprises him when he wins.

A school bus is abducted by kidnappers who demand more and more for ransom.

Jonas attempts to rescue a group of American missionaries in hiding in Indonesia. However, he soon realizes that the mission is going to require more manpower than he had previously expected. On the home front, Mack ends up being shot by Bob during a training exercise. Molly, Kim, and Tiffy prepare to host a visiting senator.

Patrick and the team investigate when a mobster in witness protection is murdered.

A special package arrives for Butters from Japan. It’s AWESOM-O! His very own personal robot. Butters tells AWESOM-O all his secrets, but also one of Cartman’s. Upon realizing that Butters has a tape of him making a fool of himself, Cartman keeps up the AWESOM-O charade in order to find that tape.

When a former mob hit man on death row suddenly has a change of heart and agrees to confess to his crimes, Don has an uneasy feeling about the whole affair.