Cassie discovers Ax, an injured Andalite, has crashed on the earth. Can Ax trust the Animorphs?

The Animorphs must infiltrate a new health clinic and stop the Yeerks before the governor is infected!

Jake is acting pretty normal after falling into a Yeerk pool. The Animorphs keep Jake under close watch.

Rachel crashes in the woods while in hawk morph. The Animorphs rescue her from the Controllers.