Dr.Shinnosuke is called 'Doctor Dangerous' by nurses. When he's a student he always gain good grades in classes. However he's afraid of blood and gory pictures and always passing out when he has to do surgery operation. One day, his dad, the hospital's director introduced him a new nurse that is going to work here. she is cute and have a baby with her. She advise him to get used to the scene by watching gory horror movies.

Shinnosuke is attracted to her, but somehow heard a rumor that she is his dad's mistress. Curious to know who the father of the baby is, he tries to deny that thought and practice himself to get used to the surgery scenes so that it won't be embarrassed when he's performing surgery with her.