An alien attack leaves Maggie fighting for her life; Tom and Dingaan must rely on an enemy ship to rescue them.

Tom and the 2nd Mass learn to pilot a Beamer as part of their plan to destroy the Espheni power core; the group draws straws to see who will embark on a dangerous mission; the threat of death triggers confrontations.

Tom and Lexi must find a way to destroy the Espheni power core; an Espheni bomb is dropped onto Chinatown.

A series of murders are committed by someone copying a serial killer who was put in jail by Kennex's father.