On South Carolina's serene Egret Island, Jessie Sullivan is summoned home to address her mother's violent episode. In the quiet of the Benedictine abbey, Jessie is captivated by a monk, Brother Thomas, and a mermaid-carved chair with mystical legends. Torn between her love for her husband and her attraction to Thomas, Jessie unravels her mother's mysterious past. As she confronts the push and pull of her desires, Jessie embarks on a journey of self-discovery, challenging the constraints of her life and embracing a liberating freedom.