Dr. Onda Kokoro gets a patient, Murai Keiko, who was diagnosed with carcinoma of unknown primary, CUP, and given three months to live. She tells Murai the Three Don'ts all cancer patients should remember; don't rush, don't panic, don't give up. After several failed chemotherapy sessions, Murai decides to give up on treatment. A newcomer at the hospital, Dr. Kajiyama, promises to fix the problem by performing a resection surgery. (Source: Viu)