Preview: An explosion rocks Sonny's warehouse. Recap: Face to face with Teresa Carter once again, Laura asks for her help retrieving the memory of that night in the attic room. Carly informs a stunned Kristina that she's known all along who impregnated Alexis. On the docks, Sonny urges Alexis to take better care of herself and her unborn child. Alcazar warns Roy that he doesn't take kindly to disloyal employees. Elizabeth chokes back tears as she says goodbye to Jason. Though Teresa balks at recalling details of the night of the storm, Luke presses the woman to open up and ease Laura's pain. After Roy rejects his ultimatum, Alcazar quietly orders his goons to set time bombs at the coffee warehouse and then lures Felicia down to the scene of the impending crime. Laura is relieved when Teresa's tale jibes with her own memory of the fateful night. Carly warns Alexis that her sister is on a mission to find Sonny and blurt out the truth. Elizabeth convinces Sonny to give Zander one last ch