The Cold Father is a thriller and crime drama that revolves around a 55-year-old man named Anthony, who is struggling with guilt and self-blame following the disappearance of his daughter, Amanda, and the death of her mother. During a therapy session, Lindy advises him on dealing with his self-blame and smoking habit, suggesting that uncovering the truth about his daughter’s disappearance might bring him peace. He uses a lie-detection machine to interrogate all suspects related to her disappearance. Along the way, he navigates treacherous paths and confronts his inner demons, all while pursuing the elusive secrets surrounding his daughter.