Loving her fated mate could doom her entire species.Kateri has spent her life in hiding, knowing the Rens-male Sirens-would destroy her if they ever found out she was a Siren. But when she's forced into Phobia, a deadly game designed to exploit her worst fears, she comes face-to-face with them.Surviving means staying hidden, keeping her distance. But as she fights through the arena, she starts to wonder-what if the Rens aren't the monsters she was raised to fear? What if she lets herself get close?Just during Phobia. Just for a moment.Then she discovers the truth: one of them is her mate. Now, the game is no longer just about survival. If the Rens learn she is mated to one of them, they could kill her or never let her go.Her heart and her species are on the line. How much is she willing to risk?