Lincoln Cross is just an ordinary man living in an ordinary time. An independent thinker, he has always questioned everything, struggled with matters of faith, and wondered about life in other universes. Now in his final act, Lincoln realizes he is powerless to change the circle of life and begins confronting his mortality. While reflecting on his life and experiences, Lincoln comes to grips with his ailing body and physical limitations. But when bizarre visions lead Lincoln to encounters with extraterrestrials, angels, and ultimately God-where he is physically transformed-he taps into powers and abilities that only aliens understand. Within a world shared with extraterrestrials, Lincoln is finally able to define his spirituality and purpose. Now while attempting to answer his most profound questions, Lincoln's ordinary life becomes extraordinary as he plays a key role in the salvation of humanity amid the integration of aliens on earth. Alien Within shares the tale of a man's final journey as he nears the end of his life and satisfies his pursuit for answers through contact with supernatural forces.