Clark, Lois, Dinah and Oliver all have flashbacks after being released by the VRA; Dinah worries Chloe may now be a traitor.
The agents uncover more information in the government's attempt to hide the truth about extraterrestrial life when Mulder discovers a video of an alleged alien autopsy.
Green Arrow is attacked while he tries to stop a mugging; Carter Hall and Star Girl help Clark when Lois is kidnapped.
As the threat escalates with the return of translucent shapeshifters, a former Massive Dynamic scientist gets involved; Nina Sharp visits Walter in the lab.
Nicole decides to go back to work; Kyle searches for the thief who broke into Amanda's house.