In March 2018, the Mars Society hosted its 191st research mission in the arid Utah desert. The 7 members that make up Crew 191 spent 2 weeks at the Mars Desert Research Station (MDRS) simulating life on the Red Planet. But this was no ordinary research team – none of the crew members were space specialists, and they covered a range of ages and backgrounds. An NHK cameraman went along to record what happens when 7 strangers are thrown into confined isolation with limited power and water. The MDRS is a pressure cooker environment that had proved the downfall of many groups in the past. How did Crew 191 cope?