Luke and Maura return from their mission with a secret. Zac's leadership is questioned as the team fall behind schedule. And two arrivals cause a stir.
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?
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?