But that only works so long, and the constant terror wears on them. They eventually cross the line between civilized human beings and brute savages, becoming more of a threat to themselves than anything outside of their safe haven might be. 11:55 p.m. Friday and Saturday. River Oaks Theatre, 2009 West Gray. For information, call 713-866-8881 or visit www.landmarktheatres.com. $9.50.
Fri., Jan. 20; Sat., Jan. 21, 2012