Elena struggles to deal with the news from the previous episode - the mysterious werewolf, Sasha, claims to be her father. Clay readies Stonehaven for a possible attack from the Spanish by calling in new Pack members. Little does he know that one of them, Bucky Durst, is a traitor. Meanwhile, Jeremy and Nick find a clue at the Spanish hideout that ultimately leads them back to Stonehaven, where they find the Russian Alpha, Roman Navikev, has turned up just in time to help eliminate Eduardo.