Jor-El strips Clark of his powers, making him human. Delighted to finally be normal, Clark pursues a relationship with Lana sans secrets. However, after Lana, Jonathan and Martha are taken…

The team discovers an Ancient drilling station deep beneath the surface of the ocean, only to find that a Wraith queen is still alive there.

With Adama out of action, Colonel Tigh takes his position as commander of the Galactica. Boomer is in jail, and the cat’s out of the bag – she’s a Cylon.

Tigh has to work with Lee to defeat a Cylon boarding party that threatens to take over Galactica and destroy the fleet.