Preview:Nikolas and Liz scheme to trick Helena. Recap:Alexis was stunned when she visited Stefan and he gave her Power of Attorney over the Cassadine estate. He told her where she could find a large store of funds that would take care of her, Kristina, and Nikolas in the event that something happened to him. Alexis wondered why he was speaking as though he was going to die, and Stefan cryptically remarked that one of them was going to die — referring to him or Stavros. They were both surprised by a visit from Kristina, who asked Stefan point blank if he killed Chloe. Stefan confirmed that although he had not killed Chloe, he had mistreated her, which was why Jax hated him. Jax blasted Ned when he discovered that Kristina was missing from the gatehouse. He figured out where she went, and raced to the PCPD. Seeing Kristina talking to Stefan angered him, and he tried to drag her out. Kristina asserted that she believed in Stefan's innocence. Stefan warned her that she wasn't safe becau