Tris 4: Hidden Dangers

With Tris having survived the clutches of Ahaitan, he has since brought down the evildoing of his manipulative uncle, rescued a girl angel, Lara, and helped locate her twin brother, Rylan.

In doing so, he also helped rescue a number of kidnapped children from a group of traffickers intent on selling them into slavery.

Life for Tris then starts to settle down to...