The Host (2006)

Synopsis:
After a careless Morgue empties hundreds of bottles of formaldehyde into the sewers near Seoul's Han River, it gives birth to a terrifying mutant with a taste for blood. The Mutant abducts the daughter of Gang-du (Kang-ho Song). Thinking she is dead, the family mourns her loss; until they receive a late-night call from her cell phone. Knowing she is alive, they band together to find and rescue her from the mutant before it is too late.

Their attempts are thwarted by a paranoid Government, who is claiming that the mutant is "living biological warfare", after a Marine from the United States contracts a mysterious disease from coming in contact with the creature. Fearing another SARS incident, they seal off the area the mutant is known to patrol and quarantine anybody and everybody who has came in contact with the mutant - including Gang-du and his family - though no virus actually exists.
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