I think this might well be my favourite outing for our Hawaiian super sleuth. This time, Warner Oland must investigate some very suspicious goings on in a theatre. Unbeknown to all of us, this theatre has it's very own phantom... but whom? Why? Well, that's all rather entertainingly explained over the course of the hour as he - with the help of son "Lee" (Keye Luke) - must stop this from becoming an operatic game of Russian Roulette. Now there is absolutely no jeopardy - it is pretty clear early on who the culprit it; but our journey of discovery is quite cleverly managed by director Bruce Hum...