Identity n. : The state or quality of being identical, or the same; sameness.

Identity n. : The condition of being the same with something described or asserted, or of possessing a character claimed; as, to establish the identity of stolen goods.

Identity n. : An identical equation.

Example:
Why is our Identity so important to us? What happens when we lose our sense of Identity?

Taxonomy
IMDb, personal identity, characters, Photos, Reviews, strangers, Trailers, USA, Nevada, infected, AIDS, rubber, Plot, Message Boards, DVD, Showtimes, Cast, quotes.

Defination from the web:
... Identity provides a "double mystery"--a traditional whodunit and an increasingly bizarre "rubber reality" mystery that we must figure out along with the characters. ...