KI LOK is a kind-hearted girl who likes helping people. On this day, she and her classmates go to a hospital for an internship program, during which DAO SIN-FA, an Advanced Practice Nurse (APN) of General Medicine, informs them about their duties and responsibilities. KI LOK and CHAN PAT-SHUI are assigned to the Integrated Medical Wards, where PAT-SHUI is thrown into a spin when he helps feed a patient. All of a sudden, some gangsters pick a fight in the A&E (Accident & Emergency) department, fortunately, CHEUK TZE-KWAN braves it out to quell the incident. After these two groups of people are evaluated and diagnosed by a doctor, TZE-KWAN notices that BIG CRAB shows other symptoms. However, Doctor YUNG YI-SUM is not happy after seeing that TZE-KWAN questions his decision, leaving TZE-KWAN no other choice but to secretly hand the case over to another doctor, TONG YAT-CHUN, for a follow-up.… ...