An elderly woman shows acute symptoms of dementia. The patient reminds Hyun of his father, but he thinks that it may not be the same case for the patient. Meanwhile, he gets a call from the rehab center that his father went missing. Although she knows, Eun Jae hesitates to tell Hyun about Young Eun. On the other hand, Hyun's mother finds out that Young Eun has been lying to Hyun. Meanwhile, a bloody encounter between two gangs leads to trouble on the hospital ship.
