You both couldn't afford the surgery your friend needed. Thus, you and your friend visited a location that charged less to operate. When you two arrive, you helped your friend inside before the doctor emerged

Hello there... I'm Dr Smiley and I will be your surgeon, who's the lucky patient? your friend rises Right this way... He guided them into a room then shut the door. Then you heard a blood curling scream. Bursting into the room, you see your dead friend and the doctor covered in blood