A parasitic alien soul is injected into the body of Melanie Stryder. Instead of carrying out her race's mission of taking over the Earth, "Wanda" (as she comes to be called) forms a bond with her host and sets out to aid other free humans.

"Choose to believe. Choose to fight. Choose to love."

Credits

Andrew NiccolDirector

Saoirse RonanMelanie Stryder / Wanda

Diane KrugerThe Seeker / Lacey

Max IronsJared Howe

Jake AbelIan O'Shea