He saved their limbs. Something in their blood killed them anyway.
Korea, 1952. Combat surgeon Kim Joong defies military doctrine to repair a wounded soldier's shattered artery. The operation succeeds. Days later, the soldier dies without warning.
Then it happens again.
When similar deaths surface at other MASH units, researcher Dr. Dora McCaffrey is ordered from her Seoul laboratory into the brutal uncertainty of the field. Her assignment is clear: investigate the rising death toll and determine whether Joong's forbidden surgeries are responsible.
Dora expects a reckless surgeon. Joong expects another officer searching for someone to blame. Neither expects the evidence to expose a pattern hidden inside the soldiers' blood.
As incoming casualties overwhelm the tents, suspicion closes around Joong. Someone wants to discredit his work, silence his patients, and stop Dora's investigation.
Forced to trust each other, the surgeon who refuses to surrender a life and the researcher who believes every death leaves evidence must follow a red line leading far beyond the operating table.
Before it reaches them both