RACE FOR THE CURE — Elena and Rebekah take off in search of Katherine and find themselves in a small town in Pennsylvania, where Elena has a surprising encounter with another old acquaintance -- Elijah. Stefan and Damon are both concerned about Elena’s state of mind and are determined to do what’s best for her, but she makes it clear that helping her will be difficult. Damon is not sure how to react when Stefan reveals his unexpected plan for the future. Meanwhile, in Mystic Falls, Klaus receives Caroline’s reluctant help and comes to a new understanding of Silas’ powers.
Written by Evan Bleiweiss and Jose Molina

PROM NIGHT IN MYSTIC FALLS — After making a decision that infuriates Klaus (Joseph Morgan), Elijah (Daniel Gillies) proposes a life-changing challenge for Rebekah (Claire Holt). Caroline (Caroline Accola) finds that her carefully laid plans for the perfect Senior Prom night are disrupted by Elena (Nina Dobrev), so she turns to an amused Klaus for a solution. Determined to get through to Elena, Damon (Ian Somerhalder) and Stefan (Paul Wesley) both attend the prom, but the evening begins to spiral out of control despite their efforts. When Elena suddenly lashes out in a way no one could have predicted, Matt (Zach Roerig) turns to Rebekah for help. Finally, Bonnie (Kat Graham) makes a terrifying discovery, and Klaus receives a message that could change everything.
Written by Julie Plec and Caroline Dries

(Unofficial) The episode will see Klaus, Elijah, and Rebekah travel to New Orleans, where Hayley has settled after betraying pretty much everyone in Mystic Falls. There, Klaus is reunited with his old vampire protege, Marcel. They'll also come across witches Sophie and Davina, who are on the cusp of a supernatural revolution, and psych student Camille, who seeks answers about innate evil after a horrific family tragedy. (source no longer working)