Morals or Love?

Severus was curious what is truly in Voldemort's vault and he dragged Harry into this to find out the mystery. As for Harry, being a Potter is more than a heir to the family names and this drags Severus into this as well. Will they go by morals to make it right or will love proves it all? Warning: Snarry, Mpreg, lemon, violence, cuss, etc (more in the chapter)...