In 1894, Rosalia Goth and her younger brother, Arthur, are the wards of their wealthy uncle, Mr. Weber, and his wife, after the untimely death of their father. Rosalia leads a quiet but comfortable life with her aunt and uncle and their two daughters in Kansas City, Missouri. However, there is one family member that remains elusive, her eldest cousin, Richard. Away at college since before her arrival, he returns home upon completion of his education. He soon becomes infatuated with the young and beautiful, Rosalia. His obsession with her knows no bounds, as his cousin she was born to belong to him, to be his beloved rose.

"𝐘𝐨𝐮 𝐚𝐫𝐞 𝐧𝐨𝐭 𝐭𝐨 𝐜𝐚𝐥𝐥 𝐦𝐞 '𝐛𝐫𝐨𝐭𝐡𝐞𝐫' 𝐰𝐡𝐞𝐧 𝐰𝐞'𝐫𝐞 𝐚𝐥𝐨𝐧𝐞, 𝐞𝐬𝐩𝐞𝐜𝐢𝐚𝐥𝐥𝐲 𝐰𝐡𝐞𝐧 𝐈'𝐦 𝐠𝐨𝐛𝐛𝐥𝐢𝐧𝐠 𝐲𝐨𝐮 𝐥𝐢𝐤𝐞 𝐭𝐡𝐢𝐬." Despite being no stranger to poverty, Trinity de Alsayin seeks help from her father and elder brother whom she didn't know existed until her mother's death. Thrust into the web of family secrets, Trinity swore to be nothing but an obedient Catholic girl. But her brother who trapped her into sinful incestuous feelings dares otherwise.