The Magnificent Seven

Summary
After killing the Yellow-Eyed Demon, Sam and Dean set out to defeat the 100 other demons released after the Devil's Gate opened. Their job leads them to Nebraska where the brothers meet hunters Issac and Tamara. Investigating the possible omens leads to the death of Issac. After a quick confrontation with the 7 demons, the brothers find out that they're dealing with the seven deadly sins. A mysterious women is stalking the hunters.

Using Issac's dead corpse, the demons try and trick Tamara, but fails. This breaks the salt barrier and its a battle to the death. Bobby exorcises one of the demon, while Dean is faced against Lust. After some fast "making out",Dean exorcises the demon. Sam, however, is pitted against Pride and 2 other demons. Unable to fight back, Sam is in deep trouble, The mysterious women appears and instantly kills the demon with her dagger. She destroys the other two and Sam askes who she is. She disappears.

Later, Sam askes Bobby if theres a dagger that can kill anything (like the Colt). Bobby tells him there is none.