David and Monty are two friends of Susan and Betty Potter whose father runs a fleet of lorries. One by one, his lorries are involved in accidents and sabotage is suspected. The children are determined to find the culprits.
No streaming info available.
Verdict: Unknown
> John Baxter (Director)
> Jo Jago (Director of Photography)
> Mary Cathcart Borer (Writer)
> Geoffrey Orme (Writer)