The theft of a sculpture leads Myka and Pete to a sacred Indian cave holding an ancient secret of creation… and destruction.

After Kira’s life is threatened, Sarah is on the warpath, but Dr. Leekie makes her think twice about her plans for revenge. Meanwhile, Cosima faces the truth about Delphine, forcing…

As survivors arrive to the Behemoth, two factions form over how to handle a life-or-death threat. Holden grapples with what he’s seen and the choices he must make.

Holden sees past, present, and future. A ghost from Melba’s past threatens her mission. Bobbie struggles to trust an old friend as she leads a group into unchartered territory.