Black Lake Shenanigans

What happens when a group of the older DA members decide to escape the Carrow regime for a night of silly shenanigans in the Black Lake. Can Luna find love, or will Lavender get in the way? Why did Neville drop Hannah? Did Ernie really get attacked by the giant squid? And what happens when Snape and the Carrows show up? Plz review! M for suggestive content (skinny dipping/swearing)