A storm causes a town power outage and everybody gets together at Jack’s bar. Mel grapples with her revelation. Preacher investigates Paige.

Preacher happens upon a secret. Mel’s memories threaten to overwhelm her. Jack has a sincere talk with Charmaine about their relationship.

Psi, a thief with psychic powers, attacks National City. Able to immobilize people by tapping into their worst fears, Psi proves a formidable opponent for Supergirl. Meanwhile, James and Lena…