Arnold Rothstein and Margaret Thompson meets up again to make a deal which makes them depend on each other for the five coming years
Sirius Black enters Hogwarts, and becomes a Gryffindor. Its not easy for him to find friends at first since he is a Black after all.
The marauders has graduated and are now facing the world outside Hogwarts. Sirius is struggling with his family name, he has to prove himself to be a man on his own and not a man of his last name.
Sirius Black finds whats left of the Potters after Lord Voldermorts attack at Godrics Hollow