Natalie Krill

Castor pursues the Leda clones for original tissue samples; Helena, who's pregnant and imprisoned, is examined by a mysterious new villain.

Helena and her sister are reunited at the Castor camp when Sarah is captured. As Sarah suffers testing, Paul appears to hide her.

When the life of an auto-tech company's chief engineer is threatened, the team is called to Seattle, Washington to help. They find themselves targeted by a paranoid ex-civil servant Joe Morris and must work for the engineer's safe return.

Andy's attempt to avoid Swarek is thwarted when both are assigned to a prisoner transport.

Andy and Chris accidentally screw up one of the biggest drug busts of the decade when they arrest one of the players.

After a routine speed trap leads to a messy accident on a city highway, Chris and Gail find one of the cars mysteriously empty and quickly realize that its license plate matches the one being broadcast in a citywide "Amber Alert".