A charismatic scam artist lures a single mother into an armored car heist, but when one of the crew turns up murdered Wheeler and Nichols are left to piece the puzzle together.

Day 1 of the new Ice Road season begins. There are 6,000 loads of freight to move in just 12 weeks to the oil camps of Alaska's North Slope. The 400 plus miles stretch from Fairbanks to the remote outpost of Deadhorse, and is fraught with harrowing danger from steep mountain ice, to frozen tundra and the treacherous ice roads of the Arctic Ocean. From unexpected weather, virtual whiteouts and treacherous terrain, this is by far the most death defying route to date. So few drivers are qualified--or willing--to brave this perilous journey. Dispatchers are forced to look as far as Canada for Ice Road experts. Enter Hugh 'The Polar Bear' Rowland and Alex Debogorski, the two titans and archrivals of the Canadian Ice Roads. But can they cut it in Alaska?

Skyler's frustration with Walt's secrecy finally comes to a head. Jesse self-destructs after a personal blow.

When Stan's first witness turns up dead, with his badge amongst the bones, he becomes the Chief suspect - forcing Mary & Marshall to dig deeper into a 20-year old love triangle.

Pressure Test Elimination - Aaron, Sandra and Julie faced elimination and had to make paella.

CID discover the body of a Polish workman buried in the foundations of a docklands building site, but the site owner proves obstructive. When vital evidence goes missing, Gene becomes convinced that one of the team is responsible, and sets a trap.

Moz's flat is taken over by Cartoon Head's triad and then later by a TV crew.