A trio escaped from Alcatraz prison with no traces of their survival; a US representative's plane vanishes in Alaska with the mafia believed to be involved.
When a woman goes missing in Wyoming's Grand Teton National Park, and the last person to see her alive is on the run, detectives embark on a massive manhunt.
A man must save his family and neighbors as a twister strikes their mobile homes; a family is trapped in their cellar; a couple's SUV is sucked up by a tornado.
A team of meterologists offer an uncensored report of various weather and storms across the country which are just as unpredictable and disastrous as nature.
Heavy rescue crews scramble to clear the 401 when a storm sweeps across the province; Kevin of Metro Towing in Hamilton, tries to clear a wreck from the 401.
Kevin feels overwhelmed after a heavy wreck and a frustrating recovery; Sonny gets a big change to his career and he struggles to do something worthwhile.
A rotten bridge forces a logging crew to move to another section, but the road is still under construction; loggers try to finish loading by the end of the day.
The Integrated single stem crew fights to finish the Drop, but the wind and fog are fighting back; the Peters crew suffers a huge mechanical malfunction.