Airs Sunday August 15th at 9/8c on HISTORY! It's chaos on the Dalton when a truck flips off the road and smashes into a tree, leaving two men injured and bleeding while a mysterious third is missing. Alex is thrust into the turmoil and faces tough questions from state police. A careless mistake may rob Lisa of the hard-earned respect she has worked for all season. Greg fights for his job and Ray wakes up to a scary realization. Hugh devises a plan to steal a load from his old pal. Become a fan on Facebook http://www.facebook.com/iceroadtruckers and follow us on Twitter http://twitter.com/HistoryChannel