Killian Jones has returned to his secret island hideaway to discover an unexpected guest—and a valuable relic missing.

An isolated island, a missing treasure, and a mermaid who may know more than she's letting on. Killian has questions, and he's not letting her leave until he gets answers.

Content Warnings: Enemies to lovers, morally gray protagonist, threats, violence, captivity themes, jealousy, emotional angst, grief, revenge, slow-burn romance, supernatural elements.