Queen Morrigan has ruled Brial for three hundred years. She is a strong magician, she has control over the elements of Fire, Air, Water and Earth. The kingdom is growing and prospering, but the queen herself cannot be called a happy woman. For many years, Morrigan has been unrequitedly in love with Leon Bart, one of her advisors. She is also obsessed with the idea of finding her older sister Erin, who disappeared under strange circumstances, at all costs. On top of that, a mysterious enemy has appeared, nicknamed the Stranger, who is killing Brial's subjects for no reason. He is dexterous, elusive, leaves no traces, and the royal services are literally marking time in search of the criminal.