PREVIEW: Bo whisks Hope away for a romantic Valentine's weekend; Brandon tells Lexie he can no longer be her friend. SUMMARY: At the Police Department, Bo and Roman discuss the case and try and trace the tuxedo stud back to Larry. Roman tells Bo that there are many on the force that do not believe that Larry is alive, and that Bo is only trying to divert attention from the real killer. Bo says that is ludicrous, and he wants to know who came up with this idea? Roman says it was the DA, and he's pressuring the commissioner not to put too many officers on the search for Larry Welch. Bo vows to find Larry and says that he will throw him in prison and that will prove he is alive! Abe is in his office and Sami barges in, telling him that Lexie needs him right now. He wonders what she is up to, but she covers and says that she has learned that Larry may still be alive and tries to persuade Abe that Larry may come after her. Abe suddenly gets a call from a cop that is watching his house