Researcher who identifies disease transmission and symptoms. He strikes a deal with Sae-bom for housing, initially attempts to conceal the outbreak, and later commands military forces during the crisis. Driven by his infected pregnant wife, he seeks Sae-bom's antibodies to find a cure.
Professional collaboration that shifts into a targeted medical interest regarding her immunity.
Clinical objective where Sae Bom becomes the focal point for potential cure development.
Functional cooperation driven by shared duty to contain the outbreak and identify its source.
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