Three siblings, exhausted by the monotony of day-to-day adulthood, seek to find fulfillment and freedom from their unremarkable lives.

South Korea, 1993. An agent of the National Intelligence Service is sent to Beijing to infiltrate a group of North Korean officials with the ultimate goal of obtaining information about their nuclear program.

A young girl named Mija risks everything to prevent a powerful, multi-national company from kidnapping her best friend - a massive animal named Okja.