Saving Grace

Carlotta and Sam had split up after Dean's death. Determined to free him Hell, Carlotta did everything she could throughout the remainder of her pregnancy, until she was forced to settle in at the Singer Auto Shop with her newborn child.
Four months of searching for a way to bring him back, Dean suddenly returns, with Castiel, an Angel of the Lord at his back, the two are instructed to put an end to the upcoming apocalypse.
Carlotta has no choice but to rejoin Sam and Dean all the while navigating the raising of her small child while on the road.