Longing for You, I Have Waited a Long Time for You , I’ve Been Waiting for You for a Long Time , Oraesdongan Dangsineul Kidaryeossseubnida
A dedicated detective, Jin Sung, pursues the true culprit behind a string of serial murders, only to uncover a hidden secret within his own family. Known for his cheerful demeanor mixed with a fiery temper, Jin Sung relentlessly fights for justice at Woojin Police Station. Meanwhile, Young Ju, an accomplished prosecutor with a penchant for unconventional methods, believes in punishing injustice with further injustice. She shares a long-standing friendship with Jin Sung and Jin Woo. When Jin Sung transfers to a specialized investigation team in Seoul to tackle serial murder cases, he partners with Young Ju. However, their collaboration takes a complicated turn when Jin Woo, Jin Sung's brother, becomes a prime suspect in the very murders they are investigating.