Harvey helps Samantha settle an old score. Louis faces a hurdle on the path to fatherhood.
Jonathan Doors (David Hemblen) comes out from hiding, launching a media attack against the Taelons, leaving Boone (Kevin Kilner) to deal with the ramifications.
When the Taelons mastermind the sale of an illicit weapon to trap resistance leader Jonathan Doors (David Hemblen), Lili's estranged father (Doug Lennox) is part of the scheme.
A gifted Russian psychic (Shauna MacDonald) becomes a target for assassination because of her knowledge about the Taelon occupation of Earth.
The renegade alien Ha'gel appears on Earth to exact revenge on the Taelons for destroying his race.
