S1E4 Episode #1.4
A prime suspect emerges, but things aren't what they seem.
Ten years after discovering her murdered uncle, Ena and Detective Hansaem must cooperate to stop a series of similar murders - each linked by strange puzzle pieces.
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A prime suspect emerges, but things aren't what they seem.
A stunning truth behind the serial murders is revealed.
The meaning behind the drawings on the puzzle pieces is uncovered.
As the investigation escalates, new suspects begin to emerge.
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