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ACTION! 

Krystal Jung works as an accountant for a firm in Incheon, South Korea. Nothing extraordinary, just a normal 9-5 office job. Unlike her peers however, Krystal is always able to live a lifestyle that can be classed as above her paycheck. Her secret? She has a long experience of running heists in multiple countries, but that life is all in the past for her. Or so she thought.

After a surprise visit from her ex-boyfriend, Krystal decides to work on a new score. She assembles a crew with the target being an ancient green emerald. Krystal would soon realise that this score would not be anything like she has done before...