Kara travels to Superman’s Fortress of Solitude in hopes of learning how to defeat Indigo, a dangerous being who can transport via the Internet and who has a connection to…

Maggie, Lydia, and Elijah help Aaron and Gabriel on a rescue mission. In the chaos, Negan finds himself watching over Hershel. Sebastian coerces Daryl and Rosita into pulling a heist.

The heroes experience Halloween in the Commonwealth; Daryl and Rosita undergo military training led by Mercer; Carol investigates Ezekiel’s medical condition.

Maggie, Lydia and Elijah help a stranger from another community.