IRT: Deadliest Roads - Season 1 Episode 4 -

When the mountain begins to crumble underfoot, Lisa is in grave danger with an oversized nine-ton load in tow. The unstable road gives way and claims its first victims. Fearing the worst about Lisa, Rick gets news from home that forces him to make a decision that will determine his fate in the Himalayas. Dave's close scrape with the side of an oncoming bus causes the angry occupants to surround his vehicle in a showdown on a narrow ledge, a thousand feet up.