While the Knights look for ways to protect themselves, Alyssa gives Jack a job: find the “magic tourist” who’s been wreaking havoc on campus.

Kara makes a major life decision. Meanwhile, J’onn finds out that special DEO-caliber guns have hit the streets of National City.

Castiel and Jack work a case involving members of a local church. Meanwhile, Sam and Dean go off in search of Amara.