The Halloween party becomes a turning point when Sirius and Remus have their first intimate encounter on Remus's bed during the celebration. The moment is interrupted by party noise, and Remus gets extremely drunk afterward to cope with the overwhelming emotions. A marauders prank gone wrong with bubotuber-puffball hybrids that lands Remus and Sirius in detention together, setting up their next significant interaction while showing the aftermath of their newfound physical relationship.