Sam calls Dean and asks him to head to Easter, Pennsylvania, to investigate the mysterious and gory death of two police officers. They visit the police officer Toby Grey that had witnessed the death of his partner and they learn that the three police officers had killed a teenager and planted a gun to justify their action. Then Toby dies in front of the Winchester brothers. They summon Castiel and they learn that the police officers were killed by Moses' staff. Further, Castiel tells that Heaven is chaotic and several lethal weapons have been stolen. They visit the family of the deceased teenager and they discover that his little brother has sold his soul to an angel; in return, he received part of the staff that he used to kill the officers. Further Castiel discovers the identity of the person responsible for the tragedy.