It has been two years since Sa'ling saved the alien Henu population and married Taylor. Taylor now has twins of this own. But life is not all diapers and pacifiers.

Arr's past has come back to haunt him. A madman on the loose. Braden has a vendetta against him - a vendetta with roots in a mercenary mission long ago. Rejecting all offers of assistance, Arr leaves the community to lead Braden away from his family and friends.

When Terrell inadvertently learns Arr will not be facing one opponent but five, he returns home to pursue his father with Nor, Garrett, Taylor, and Mear at his side. But will Arr's children be the death of him?