A friendly relationship is strained to its breaking point in this Wall Street Journal bestseller by Jeff Wheeler.

When the emperor is assassinated, Sera Fitzempress is the noble most eligible to inherit the empire. Her upcoming relationship to the prince would concrete her position. And as a champion for peace, Sera may be the only promise of hope for staving off war between the worlds of Kingfountain and Muirwood. But standing up between her and her foes is just one devastating key.

Sera’s best friend, Cettie, a woman born of a lower class, provides made a shattering discovery: her entire existence has been a lie. Today Cettie must quit the only existence she’s known and fought for and keep behind the person she loves to stop Sera’s wedding. Because of this finding could bring the complete of Kingfountain to damage.

As Cettie problems to determine her true loyalties and loves, her allies fall to wicked plots, and she becomes increasingly alone on her trip to a destiny she never wanted—one which could ignite an unstoppable war.