Butterfly is a character-driven spy thriller that explores complex family dynamics within the treacherous world of global espionage. It's centered on David Jung (Kim), an enigmatic, highly unpredictable former US intelligence operative living in South Korea, whose life is blown to pieces when the consequences of an impossible decision from his past come back to haunt him, and he finds himself pursued by Rebecca (Hardesty), a deadly, sociopathic young agent assigned to kill him, and Caddis, the sinister spy organization she works for.
