Sixteen-year-old Nathan Bryne tries his best to fit in at school and at home, but his father's deadly legacy casts a long shadow.

To prepare him for an eventual showdown with his father, Ceelia coaches Nathan on his fighting skills. Jessica makes an enemy during cadet training.

Soul and a team of Hunter cadets look to escort Nathan to London, but they run into trouble along the way. Annalise grapples with her newfound power.

Gabriel guides Nathan and Annalise through Paris in the hopes of finding Mercury, but a poorly kept secret threatens to end their camaraderie.