IT’S ELLA VS. AMANDA IN THE SEASON FINALE AND ONLY ONE WILL BE LEFT STANDING/LAURA LEIGHTON MAKES A SURPRISE APPEARANCE — Amanda (Heather Locklear) fires Ella (Katie Cassidy) from WPK. However, not one to go out without a fight, Ella searches for anything to blackmail Amanda. Unfortunately for one of the ladies, the end result is worse than she could have ever imagined. Meanwhile, after attending a NYU reunion, Jonah (Michael Rady) asks Riley (Jessica Lucas) to reconcile and Lauren (Stephanie Jacobsen) and David (Shaun Sipos) get back together but a jealous Morgan (guest star Melissa Ordway) retaliates and puts Lauren’s life in jeopardy. Drew (Nick Zano) tries to stop Michael (Thomas Calabro) from performing a dangerous surgery, but Michael sets Drew up to get caught with drugs, causing Drew to be thrown out of ULA. Finally, Sydney (Laura Leighton) makes a surprise appearance.