To Save a life

Hermione gets an unexpected letter that will change her world, asking her to help save his life, she will help, its the Gryffindor way, but is it going to be as easy as she hopes? Draco knows his father wants him trained in the Dark Arts now that Voldemort has returned, but he doesn't have it in him so he takes the biggest risk of his life. Will they help or wreck eachother?