Lois is infected by a zombie plague unleashed on the city by Zod. Its cure lies in the blood of a Kryptonian, and Chloe begs Clark to help, even though he would risk revealing his identity to Zod.

Oliver is kidnapped by a woman named Victoria, aka Roulette, who warns him his life is in danger. Later, Oliver is arrested after Victoria is found dead, prompting him to seek help from Chloe. Meanwhile, Lois is upset with Clark for not telling her about Oliver's attempted suicide.