The Hidden Horcrux

He was dead, that's true. But Severus Snape don't said his last words. After the final breath, his heart go on and he wakes up. Now, he need to reconstruct his soul, but not only : Albus count on him too. Fawkes come, and he need his help : the two last Horcrux should be reunited or all around the world, the Darkness will appear again.