Amy Benedict

Grissom and Sara investigate the murder of a woman after a swap party where the married couples in the neighborhood meet and switch partners.

Michelle calls Chloe and asks her to return to CTU, Jack and Dina's attempt to infiltrate the terrorists cell goes awry, and Audrey realizes she still has feelings for her husband.

Bailey requires the team to have sensitivity training before admitting a 700-pound patient with numerous medical issues; Derek comes face-to-face with a former patient's husband in a wrongful death deposition.

Iola discovers her handmade gifts to family members are being sold at the Harpers' garage sale.

Mama develops a crush on her night-school teacher (Joseph Campanella).

Iola, Bubba and Mama fantasize about marriage after attending a wedding. Guest star: Joseph Campanella.