The story takes place in 1978, when Severus Snape, James Potter, Sirius Black, Remus Lupin, Peter Pettigrew, and Lily Evans have just graduated from Hogwarts School. James and his friends only knew that the Predator was drinking at the bar, and Snape also came in, hoping to find Lily. James knew about their dark future and the role Snape might play in the First Wizarding War. He decided to do something to his old opponent once and for all.