Marcel, deeply conflicted by recent events, is surprised when Klaus opens up to him about some of his past indiscretions. Cami tries to make sense of cryptic messages she's come across and is disturbed when she gains some insight into Klaus' past. Meanwhile, in a surprising turn of events, the human faction takes matters into their own hands, resulting in a violent confrontation. Elsewhere, when Hayley learns of a plan to harm the werewolves in the bayou, she turns to Elijah and Rebekah for help. After heading to the bayou, they run into a werewolf named Eve, who has information that leads them to a shocking discovery.

When Davina becomes violently ill and the repercussions soon begin to affect the entire French Quarter, Marcel, Klaus, Elijah and Rebekah rush to find out what is going on. Sophie approaches the others with some startling information about the Harvest Festival and presents a drastic plan to save Davina. Elsewhere, Hayley is racked with guilt as she comes clean to Elijah about her role in Sophie's plan. Last, a sequence of unforeseen events sends shockwaves through the French Quarter.