Bonnie, with the help of Jeremy and Caroline, uses a "hypnosis" spell on Luka to learn the truth about Elijah’s plan. They discover that Elijah intends to let Klaus kill Elena in the sacrifice so that Klaus becomes vulnerable enough to be killed afterward.
This report covers the key events, character arcs, and revelations from Episode Overview
The werewolves believe breaking the curse will allow them to turn at will, but Elijah’s true goal involves using the curse to lure Klaus out of hiding.