Of Feathers and Bone

Voldemort begins to suspect Snape in sixth year and sets a trap to capture him and the Boy Who Lived. His plans don't work as well as he hoped and instead force Harry and Severus to learn to live with one another. Snape is outed as a spy, changing the course of events in a few important ways. *Please note everyone is aged up a year.* This is a HP/SS and HG/DM