The weight of the Gojin Chemical trial finally broke through Lee Han-young's hardened resolve. A former judge himself, he'd long navigated the murky waters of judicial corruption, but the proceedings before him stirred something within him …

Lee met his end by violence, yet found himself inexplicably cast adrift in the currents of time, propelled backward into the past. A fierce resolve now burned within him: to set aright the errors of his life.

Haunted by past misjudgments in sentencing, Lee strives now for accuracy, resolved to prevent such errors from recurring.

Seoul offered Lee an unexpected opportunity, and he forged an alliance with Prosecutor Kim Jin-a.

Closing in on the truth of his assailant, Lee takes a decisive risk, feigning loyalty to Kang Sin-jin.

Judge Lee secured evidence that implicated Woo, and with it, steadily increased his own power.