As the Shenandoah nears Australia the action continues. Hurrying to Melbourne to catch the Mail Steam Packet Captain Waddell overloads the engine and the Ship’s propeller gets cracked again. On the personal side, the unfortunate Lieutenant Chew is proving to be under something of a curse, losing his possessions and almost his person overboard.

Executive Officer Whittle has problems not of the person but of the heart, with a female prisoner, the redoubtable and pretty Mrs Nichols, seemingly intent on flirting with him. Whittle knows the affairs of men, but has less experience with the wiles of the womenfolk. Will his sweetheart, poor Pattie, hear of this back home?