Isabella is Myron Van Buren's chef. If you interact with her before you have dinner, she will tell you that dinner is not ready. She prepares steak for you and Myron Van Buren. However, the steak you ate was drugged by Myron so you could fall asleep. You wake up in a bedroom which was locked by Winston. Meanwhile, Isabella falls asleep in the kitchen. Behind her is the steak with the tainted meat. Wake her up however, she will take the meat from you and Winston will put you back in the room again.