In the previous episode, the Nautilus became trapped by an impenetrable wall of ice. Captain Nemo explains that they face either being crushed or suffocating, as their air supply will only last two more days. The crew, led by Captain Nemo, attempts to break free by attacking the thinner parts of the ice with pickaxes and screws, but progress is slow. As the air quality worsens, they struggle with lack of oxygen. Nemo devises a plan to inject boiling water to raise the temperature and prevent the ice from solidifying. The crew works tirelessly, and despite the worsening conditions, they finally break through the ice and the Nautilus ascends to the surface, bringing in fresh air. We’ll pick up right as the nautilus surfaces.