Cha Su-yeol, a police officer who has long despised his mother, the notorious 'Mantis' serial killer, must reluctantly turn to her for help when a copycat killer emerges.
Azad, a quiet courier with a painful past, kills a criminal by accident and becomes an online hero. Wanting more praise, he keeps targeting bad people. As his actions grow bolder, people compare him to Aka — a mysterious figure from the past known for punishing the guilty.
Tommy Lynley is a brilliant police detective but an outsider in the force – simply by virtue of his aristocratic upbringing. He is paired with Barbara Havers, a sergeant with a maverick attitude and a working-class background. With seemingly nothing in common and against all odds, the mismatched duo of Lynley and Havers become a formidable team, bonded by their desire to see justice done.
In a small town, twelve mysterious letters and a 35-year wait intertwine to shape the lives and loves of a close-knit group of friends. Yu Nian and Shen Cheng’s world is thrown into turmoil when their parents vanish, followed by cryptic messages arriving from another time. Driven to uncover the truth, they plunge into a complex puzzle, navigating dual timelines and unraveling the secrets hidden within the letters that could explain their disappearance.
A small riverside town faces submersion from a water conservancy project just as a heavy storm in 2002 brings forth a bizarre murder case, where a dead lover and a vanished husband both appear to be victim and culprit. As police unravel the mystery, long-buried secrets and the shadows of human nature are brought to light.
Sun Woo comes from a poor family background. She was once a promising Taekwondo athlete, but she now works part-time jobs to support herself. One day, she is is selected to become the stand-in for Ji Yeon due to their similar appearance. Ji Yeon is the granddaughter of Beomhan Construction Company's chairman. She was the driver of a fatal hit-and-run car accident. Sun Woo must play Ji Yeon in front of the public and media. Meanwhile, Sun Woo becomes the target of Ho Joong’s hostility. Ho Joong is Ji Yeon’s stepbrother and he has an inferiority complex over Ji Yeon. He wants to become the successor to Beomhan Construction Company.
Uncle Boon is an elder craftsman of ghost masks, which are said to be vessels for the dead. After dreaming of his missing daughter, Lalita, calling for help in the forest, he's unaware when her spirit enters his latest piece.
When travel content creator Thianphisut visits the Phi Ta Khon ghost festival in Loei with her boyfriend Rachen, she purchases Uncle Boon's blue mask and is possessed by Lalita's spirit. In this new form, Lalita meets her former lover Chatban, and he feels an uncanny familiarity.
Fresh out of law school, Rudy Baylor goes head to head with courtroom lion Leo Drummond as well as his law school girlfriend, Sarah. Rudy, along with his boss, Bruiser, and her disheveled paralegal, Deck, uncovers two connected conspiracies surrounding the mysterious death of their client's son.
Kanakam, a brave young woman, becomes the first lady constable from her village. When she's posted to a new village where women are mysteriously disappearing, including her friend Chandrika, she begins an investigation. Despite facing resistance and shocking truths, Kanakam fights for justice and truth with courage and determination.