Prisoner

Rabastan/Harry. Harry is sent to Azkaban for using the Killing Curse during the war against Voldemort. Unspeakable things happen to him while in prison. He forms an unexpected attachment to his neighbor, Rabastan Lestrange. What happens when Voldemort breaks out the Death Eaters and Dumbledore comes to Harry for help? Can they continue being allies? Warning for rape and language.