4bia is a Thai horror anthology film released in 2008. It consists of four short stories, each directed by a different filmmaker, exploring themes of fear, supernatural occurrences, and the consequences of human actions. The film combines elements of suspense and dark humor, making it a unique entry in the horror genre. The stories in 4bia are interconnected by a common theme of terror and the unexpected. Each segment features different characters and settings, showcasing various aspects of horror, from ghostly encounters to psychological thrills. The film has gained a following for its creative storytelling and chilling atmosphere.