Set in Book 7. Lavender is thinking of taking things to the the 'next level' with Ron. Ron is nervous about how he will perform.

Oliver Wood hated Slytherin. He hated everything about them. He hated their arrogance, he hated their head of house, he hated their cowardice, he hated their Quidditch team, and he definitely, most definitely hated Marcus Flint.

In Prisoner of Azkaban, Wormtail didn't escape until after the aurors arrested him. Now the entire Wizarding world knows that Sirius was falsely convicted. This is what happens next.