A group of campers and social workers set out on a wilderness retreat in the woods. As soon as they start settling down, they get attacked by a horde of bloodthirsty mutated ticks. EXTRAS:• Commentary track with director Tony Randel and actor Clint Howard, moderated by Nathaniel Thompson • Commentary track with special effects supervisor Doug Beswick and stop-motion animator Yancy Calzada, moderated by filmmaker Joe Begos • "UNDER THE SKIN: THE MAKING OF TICKS"