Steffie is a reckless and rebellious university student, who has taken the nickname “Spray” in online community in her attempt to resist Horizon. Moco is a genius hacker and has communication problems with her mom. The two runaway girls meet up from their separate lives. They will become close friends and share the same goal of resisting Horizon - the “evil” company that kidnapped people to do human genetic tests. They will also meet the Mambas gang, a group of people gathering to resist Horizon, as more challenges await…