As Owen gets pulled deeper into the FBI's investigation of the motorcycle gang, Sgt. O'Brien makes a confession to him; Meanwhile, Grace and the 126 respond to a call FROM a man who claims his girlfriend slipped over the side of a cliff and Carlos searches for a missing friend, putting his own life in danger in the all-new "Cry Wolf" episode of 9-1-1: LONE STAR airing Tuesday, Feb. 7 (8:00-9:00 PM ET/PT) on FOX.