Story Structure — 4 Plot Phases
The Demon's Exile
Justitia, a demon judge, is exiled to Earth in the body of Judge Kang Bit-na, tasked with hunting ten remorseless criminals.
Key Events
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Demon Exile — Justitia exiled to Earth in Bit-na's body Characters: Justitia, Bael, Kang Bit-na
Location: Hell
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New Identity — Bit-na begins living as human judge Characters: Kang Bit-na, Justitia
Location: Earth
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First Judgment — Bit-na delivers first supernatural judgment Characters: Kang Bit-na, Ko Eun-seop
Location: Courtroom
The Detective's Pursuit
Detective Han Da-on begins investigating Bit-na's unusual cases, unaware of her true nature while his own past resurfaces.
Key Events
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First Judgment — Bit-na delivers first supernatural judgment Characters: Kang Bit-na, Ko Eun-seop
Location: Courtroom
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Detective Investigation — Da-on begins investigating Bit-na's cases Characters: Han Da-on, Lee Ah-rong, Kang Bit-na
Location: Nobong Police Station
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Past Resurfaces — Da-on's painful past begins to surface Characters: Han Da-on, Yoo Jung-im
Location: Da-on's Home
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Midnight Confrontation — Confrontation between Bit-na and Da-on Characters: Kang Bit-na, Han Da-on, Park Dong-hun
Location: Court Building
The Truth Emerges
Da-on discovers Bit-na's demonic identity as they work together to confront the remaining targets, forming an unlikely alliance.
Key Events
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Midnight Confrontation — Confrontation between Bit-na and Da-on Characters: Kang Bit-na, Han Da-on, Park Dong-hun
Location: Court Building
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Fifth Target — Bit-na confronts fifth target with help Characters: Kang Bit-na, Jung Myeong-suk, Kim So-young
Location: Underground Market
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Truth Revealed — Da-on discovers Bit-na's true nature Characters: Han Da-on, Kang Bit-na, O Mi-ja
Location: Bit-na's Residence
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Ninth Target — Bit-na and Da-on confront ninth target together Characters: Kang Bit-na, Han Da-on, Lee Ah-rong
Location: Abandoned Factory
The Final Verdict
Bit-na faces her ultimate test as she confronts the final target and must choose between her demonic mission and her humanity.
Key Events
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Ninth Target — Bit-na and Da-on confront ninth target together Characters: Kang Bit-na, Han Da-on, Lee Ah-rong
Location: Abandoned Factory
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Final Judgment — Bit-na faces final test and ultimate choice Characters: Kang Bit-na, Justitia, Bael, Han Da-on
Location: Courtroom
A cruel and vicious judge, who wields power only for herself, meets a warm and cheerful detective who puts the victims first.