I can see how the missing letters work with the included lights but no idea how this relates to the title unless this just needs an L inserting.
meantime on the clued lights
Is 16A a hidden word in Camorrist meaning gold lace (5)?
29A German menials in sandals (5) G??AS
21D Secret ale refreshed old villain (9) I have S?EL????E
25D Copper kitchen utensil (6) I have ??E?E?
24D Poets set about breaking bad steed (8) ?E?????E stumped on this
10D Ordinary flower deficient in two stipules round stem (5) ?C?EA
Many thanks in anicipation