At Karachi's prestigious Avicenna Hospital, the hostility between Dr Tanya Shah and Doctor Hammad Khan towards each other is hard to miss. With very different styles, the only similarity being excellence in their field, Tanya and Hammad have been rivals from the time they were med students. But the fight to outdo each other at school is nothing compared to the battle to the death which will ensue when they both go up for the top job at Avicenna.