When someone from Hayley's past makes a startling revelation, she grows concerned for herself and the baby. Amidst growing tensions between them, Klaus and Elijah turn to Sabine for help in locating Hayley, who has gone missing. After making a trip down to the bayou, Klaus has a surprising and dangerous encounter with an unexpected visitor. Meanwhile, Davina makes a surprising connection, and Marcel makes Rebekah an enticing offer that leaves her torn.

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.