It was midnight and everything was calm in the hospital . It was the expected time that the doctors and nurses made their usual final rounds around the wards for the night .
A man and a woman wearing white overalls with stethoscopes dangling from their necks walked along the corridor , obviously making for the wards . Somewhere along the corridor , they separated and each headed to a different ward .
* * * * *
A guard armed with a button stood outside the door leading to Sam's ward . He had been recently employed in the hospital and his major duty had been keeping the gate during the day . He had not had enough time to familiarize himself with all the hospital staff as some worked during the night shift .
So , when he saw a man walking towards him wearing white overalls , he had no rea
