ตอน 124: On the other side of the veil

Julie stared at the cold can of coke in her hand before looking up and staring at the room where Simon had disappeared. Somewhere, her face turned pale at the thought that Simon knew that she knew. From what she had heard from Roman, a human was not supposed to know about the existence of the vampires, which was why they were compelled to erase what they found out. 

But she was no more a human but a witch. Though the rule was to erase human memories, there was no mention of the witches knowing the existence of the vampires. 

Without giving a chance for someone to catch her standing in the corridor, Julie stealthily made her way towards the end of the corridor, she took a left. Reaching the room where Roman was, she caught a glimpse of him through the window, where the curtains had not been drawn.