Watch Pepak: The Adventures of 3 Detectives for Free: How to Stream the Movie Online at 123Movies. . PEPAK: The adventure of 3 Detectives is a fantasy short fiction about the adventures of 3 detectives in an effort to save their country which is on the verge of destruction. Helped by 'cangkriman' instructions, they had to look for separate codes in Javanese script in different locations. The separate codes they found then became the password to unlock a secret message that would save their country.