“Now don’t say anything. Just live like a corpse.” Seong-hye opened her eyes at Pureum Welfare Center Room 301 after being kidnapped by an unidentified person. [Pureum Welfare Center] In a strange space where access regarding communications with the outside are completely blocked, people in the welfare center have to follow the rules without a single murmur. Seong-hye, who lived a powerless and helpless life in a military drama, in the midst of despair and frustration, suddenly recalls her old friend ‘Leon’ in her nostalgic memories…