On Call – Episode 20

During a quiet smoke break, a cool-headed operative steps into an unfair fight in a rain-soaked alley. Her ruthless precision reveals that danger never clocks out—and neither does she.

Episode 20: As Mara protects her brother Jiho, he asks why she keeps risking her life for him; she renews their mother’s promise. Then her father ends her training with a final test: kill Bak in the valley tonight, alone.