Who the hell are you!?

A story in which all seven sons of Feanor after death come to another world, our world, and happen to appear in Alyria's (later known as Elamirie/Ranger name, and her real name will be revealed in a future) and her family lifes. As their situation progresses, the sons of Feanor have to discover a way back to their world and stay hidden through the next ages of Arda. What troubles will the sons of Feanor bring to Alyria and her family? What secrets will be uncovered?