Ted comes clean to Emma that he was being blackmailed by Derek, but swears he didn't kill him. Dan is convinced by Ted and Alec that Rebecca is the real culprit. Ethan, kicked out of the trailer by Dan for withholding information, ends up staying at the Mercers', adding to the tension between Ethan and Emma. Meanwhile, Sutton has a falling out with Rebecca, leading the twins to take the drastic measure of revealing themselves to Ted. Just as all suspicions lead to Rebecca, Theresa's body is found in the country club pool.