48 Hours

The programme Knock Knock explores whether a podcast and a determined detective, equipped with cutting‑edge technology, can solve a stone‑cold double murder. It poses the question of how modern tools might crack a seemingly unsolvable case within the series’ investigative framework.

is a programme presented as a single episode, built around a contemporary investigative premise. The title hints at a mystery waiting to be opened, and the format leans into modern storytelling techniques that blend audio‑driven narrative with procedural intrigue. The core of the episode follows a determined detective who teams up with a podcast, both employing the latest technological tools to tackle a stone‑cold double murder. By merging the reach of a broadcast medium with the analytical rigour of a seasoned investigator, the story sets up a race against time to piece together clues that have long remained hidden. At its heart, the programme asks whether this unconventional partnership—combining the persuasive power of a podcast and the relentless drive of a tech‑savvy detective—can finally bring resolution to a case that has baffled authorities for years. The question frames the entire narrative, inviting listeners to consider how far modern methods can go when confronting an entrenched, unsolved crime.