S1, F6: Tae Soo\u2019s mother goes into cardiac arrest. Luckily, Doctor Yoon Soo Yeon manages to get her on the ECMO machine and saves her life. With his mother in stable condition, Tae Soo meets with the family members of the patient who suffered the cardiac tamponade and decides to disclose that super glue was used to save his life. Right then, he sees who the uncle is and reconsiders telling the fact.