Healing Worlds. The book One

One day the world changed. For some reason, only Gabrielle Phoenix, a girl from a quiet British town, notices this. Yesterday her aunt was buried, and today...she's chatting on the phone as if nothing had happened! And why is there a wedding ring from an unknown man shining on Gabrielle's finger? How is her new acquaintance connected with the UFO crash? And what kind of girl in a black cloak rattles chains and jumps on roofs? Gabrielle will have to figure it out before something irreparable happens...