This opens up with the most anachronistic scene you're ever likely to see in a "Charlie Chan" film. Him, mama and his thirteen (is that a lucky number?) all around the dinner table excitedly awaiting the arrival of the first grandchild. Whilst "Pop" - for the first time played by Sidney Toler - is suitably distracted, No.2 son "Jimmy" (Victor Sen Yung) manages to get in way over his head impersonating his father on a murder case onboard a freighter where nobody seems to speak English! Fortunately for him (and us), his father is soon back on the case before anyone gets eaten by "Leo" the ship's ...