Yoo Hee (Go Ah Sung), a young criminal profiler, is thrust into a complex investigation when her father is murdered. Han Seung Min (Yoon Kye Sang), a forensic psychologist and her former flame, surprisingly confesses to the crime and is imprisoned among dangerous inmates. Convinced that Han Seung Min is not the true killer, Yoo Hee begins her own investigation, sensing hidden motives behind his confession. As violence escalates in the prison and Han Seung Min pursues a mysterious personal agenda, she races against time to uncover the truth about her father's murder. With mounting pressure and dangerous obstacles, Yoo Hee must determine Han Seung Min's real intentions and identify the actual killer before it's too late. Based on a 2015-2016 web-based cartoon series, "Crime Puzzle" is a 2021 South Korean drama series directed by Go Jae Hyun.

Under the rule of King Gwang Hae, Ba Wu (Jung Il Woo), a scoundrel who makes a living stealing widows through bossam, accidentally kidnaps Su Gyeong (Kwon Yu Ri), the widowed princess. Framed for a crime in his youth and forced into hiding, Ba Wu has survived through gambling and fighting, never intending to marry. Now, unexpectedly stuck with the daughter-in-law of his sworn enemy, he finds his life taking an increasingly complicated turn. As their paths intertwine, Ba Wu must decide whether to return to his old life or embrace an unexpected connection with Su Gyeong. This is a 2021 South Korean historical romance drama directed by Kwon Seok Jang.

Gye Do Shik (Jung Joon Ho), a low-ranking mob member with limited education, is sent back to high school by his embarrassed bosses to improve his digital literacy. Accompanied by his subordinates Kim Sang Do (Jung Woong In) and Dae Ka Ri (Jeong Woon Taek), Do Shik discovers that navigating high school is far more challenging than dealing with gangsters. As he struggles to adapt to the academic environment and teenage dynamics, he finds himself facing unexpected challenges that test his street-smart skills. This is the first film in a popular gangster trilogy, "My Boss, My Hero" is a 2001 South Korean comedy directed by Yoon Je Gyun.