Plot
A very ill Sarah has some strange dreams, sending her back to Dr. Sherman. Jessie and Derek question one of the "greys," traitors to humanity. John and Cameron return to Mexico to find Cromartie's body gone.
Tropes
- Jack Bauer Interrogation Technique : Jessie is happy to beat the hell out of Fischer whether he talks or not.
- The Plan : At the end of the episode, Fischer has arranged for his younger self to be imprisoned, resulting in a Stable Time Loop.
- Tattooed Crook : Fischer has "prison ink," by which Derek is able to identify him.