The Captain's Daughter

In The Captain's Daughter, the second installment of Peter F. Hamilton's Arkship trilogy, Hazel and her friends navigate the consequences of their actions after repairing a hole in the Daedalus with the help of a command AI. Facing the threat of the Yi, alien controllers of the ship, they must gather evidence of the aliens' presence and intentions while convincing the ship's inhabitants of the danger. Their journey leads to uncovering long-held secrets about the Yi, setting the stage for a tense battle for survival.