Sarah, a streetwise hustler on the run from a lifetime of bad decisions, witnesses the suicide of a stranger who looks just like her. Sarah assumes her identity, hoping that…

Helena and Sarah are reunited at the Castor camp. As Sarah suffers testing, Paul appears to chide her; but his allegiances are beginning to strain. While the Leda family worries…

Mark is taken down in a Prolethean shoot-out and Sarah must step in to help. But as Sarah gathers intel that puts her on the trail of the original Castor…

Rachel goes on the warpath, lashing out at Sarah’s nearest and dearest. While she tries to keep her loved ones safe, an unexpected visitor threatens to derail Sarah’s plans.

Mrs. S orders the sisters to take a night off from sleuthing to celebrate Felix’s art opening. But while Felix attempts to impress a famous gallerist with the help of…