The group are shocked by former teammate Luke's actions. With the odds stacked against them, can they pull together, finish the bridge and claim their prize? ...

Newcomers Ross and Susie must evict a teammate. As hunger and fatigue take hold, tempers fray. A flare brings the promise of a luxury banquet - but at what cost? ...

Luke and Maura return from their overnight mission with a huge secret that could jeopardise the bridge build. Bad weather and dubious construction methods hamper the team ...