Lumina Wong is beautiful but works far too much; although she lives in a city of millions, she still feels lonely and isolated. Late one night, Lumina has a chance encounter with Ryder Lee, a handsome young man from another world that she can see in mirrors and darkened window reflections. She revels in the fantasy relationship until mirrorspy Eben Sanchez comes into her life, warning her of the treacheries of the people of the Dark Realm. Soon Lumina must choose between the safety of the world she knows and the deadly allure of the unknown.