A Man in a Veil S01 E68 Episode 68

Dong Ho is suspected of having leukemia, so the doctor runs a few tests. He's diagnosed with acute lymphocytic leukemia, and everyone, including Tae Poong and Seo Jun, finds out about it. Dong Ho stays in the hospital to treat his leukemia. Tae Poong and Seo Jun both try to help Yu Jung and Dong Ho.