As the fourth season begins, Lili Marquette (Lisa Howard) gives birth to a child that may be the last hope for survival of the Jaridians.
Liam (Robert Leeshock) and Renee (Jayne Heitmeyer) find themselves in a life-and-death situation when they try to rescue the pregnant Lili (Lisa Howard), who has returned to Earth determined to give birth to her human/Jaridian hybrid baby.
Chaos erupts when the Taelons decide to abandon Earth in the face of imminent Jaridian invasion.
