Ish finds a survivor, Emma. There's a spark. Is it real, or are they just the last two people on earth? Nature is unrelenting. Rats plague San Lupo. Ish dreams of rebuilding civilization, but can they even survive extinction?

Ish catches Charlie assaulting Evie. San Lupo must decide how to punish evil. But will Charlie and his people accept their judgement? The virus returns. Joey falls ill, and Ish feels humanity’s future hanging in the balance.