The epic journey of the Winchester brothers come to a close as Supernatural enters its final season. Sam and Dean have battled demons and angels, mythical creatures and monsters, in a seemingly unending quest to save the world. But in the final battle of the show's 15th season, they face off against God Himself, refusing to kill their surrogate nephilim son Jack, and thus bringing about God's decision to end this reality once and for all...

When Sam and Dean join forces with an unexpected ally, the outcome will alter the course of two lives. Meanwhile, Heaven faces an attack from a dark force, driving Castiel to make an enormous sacrifice to make things right.