On Green Island in the 1950s, the female thought prisoners chose to fight for freedom, but were more forcefully suppressed by the authority. They held on to their beliefs and hoping for true freedom to come.
In the near future, Taiwan has been occupied and became the province of an evil empire. Chased by the Regime, Yu escapes prison and meets Lien, a girl that will help her fleeing the country. However, their encounter will puzzle their plans and change their fate.