Robyn gets the shock of her life when she enters the staff room and comes face-to-face with Glen.
Through a series of flashbacks, we see what happened to Glen since he left Robyn at the altar and it transpires that a chance meeting with Dylan may have saved his life.
Meanwhile, Dylan tries to enlist the help of his old tutor Zsa Zsa Harper-Jenkinson to operate on Glen's growing brain tumour, but Zsa Zsa is at the top of her profession in America. Will she head to the UK to help Dylan and Glen?