After Chuck and Amara leave Earth, things go back to normal. Sam and Eileen are traveling to Ireland. Dean's even fallen in love with another Hunter. Everything is good. Everything is normal. But Castiel doesn't have a place in "normal." Without telling anyone, he decides it's time for him to return to Heaven, but things don't work out the way Castiel had hoped.
Castiel and Dean have grown up together since they were four years old. Now the two have become completely different from one another, one being a punk and the other a jock. Yet nothing stops the two from being the best of friends. When a drunken night in a camping tent turns their whole relationship upside down, will their friendship survive?
[FURTHER DESCRIPTION IN FIRST PART]