S1, E6: With the protest shut down by police, Mu Jin and the workers regroup to form a union, vowing to fight to the end. But when the university refuses to meet their demands, they launch a strike, only to face an unexpected obstacle that threatens to unravel everything. As tensions rise and even the students turn against them, Mu Jin, Hee Ju, and Gyeon Woo must come up with a bold strategy to turn the tide. Will it work?