The Visitor

Rachel is grappling with the shocking revelation that parasitic aliens called Yeerks are secretly attacking Earth. Along with her friends, who have gained the extraordinary ability to morph into any animal they touch, they form the planet's last line of defense. Eager for adventure, Rachel takes the plunge to infiltrate the home of Mr. Chapman, a human host of the Yeerks, only to discover that the situation may be beyond her control.