As a medical student, this drama is a gem. The entire setting is in the hospital where you encounter life and death situations and how you handle them through your emotional and skillful understanding. If you are a medical student, then you'll learn many new things from this drama. Even if you aren't a medical student, this drama won't disappoint you. So now let's break into the characters and their nature.
Ik-Joon; he is the like the life of party. Funny, humorous with a good nature and a friend that everyone wishes for. He is serious at times when the situation demands and in other time, he is a goofball who can easily put a smile in others face. Song-hwa; the only female in the group, she is strong willed and very detailed doctor. She puts a clear line between her profession and hobbies. She is also like the mom of the group because everyone looks up to her for advices. Jung-won; his nickname is Buddha because he is very calm and composed as a doctor and person. He can understand his patients very well and connect to them. He is a softie that everyone adores. Jun-wan; he is very indiffernt and blunt to others but to his friends and girlfriend, he is the most sweetest and caring person. As a medical student I think that his attitude is very strong as he doesn't get swept up in emotions. Seok-hyung; an introvert and mamas boy. He is a very considerate person. He avoids talking to other people, knows his boundaries but when it comes to patients, he gives the best advice and emotional support.
This drama is a very calm and slice of life drama. You get to see what happens in the hospital and every doctor are trying their best to save their patient. Although this drama majorly focuses on hospital life, you'll also see how they handle their personal life. Every cast does their part very well. Not only the main characters, but also the other casts portray their roles very well. You'll laugh and cry because you'll connect with every cast whether they are a doctor or patient. The main person whom I loved in this drama is Uju. He is very adorable in every scenes. There are no dramatic or cliché scenes, just pure and real life scenes where you go with the flow of life. The most important lesson that you'll get from this drama is that no matter how tough your profession is, stick with your friends and family and enjoy your life as well as your job. Watch this drama, you won't regret.