Nocturnal

Min-tae, a former gangster turned peaceful retiree, stumbles upon the brutal murder of his only remaining family member—his younger brother Seok-tae. With Seok-tae's wife, Moon-young, mysteriously vanished and considered the main suspect, Min-tae uncovers a cryptic final phone call between her and an enigmatic novelist. Determined to uncover the truth, he embarks on a dangerous quest, all while evading his deceptive past crime syndicate and relentless police forces.