Sirius's reaction to James's new relationship with Lily is a bit different to what was expected. This story takes place (obviously) when the group were still in Hogwarts, and is told in Sirius's point of view.
Draco thinks he knows the truth about his father, but is Lucius hiding something from him?
It's Draco's 16th birthday, but Lucius has a little more than a normal present planned for him.