They are not on a sinking ship but in fact on one of the largest, luxurious and best ships in the fleet.
Problem is they did not pay for their ticket and do not want to see if they will be taken back to port.  So they jump on another ship that is also a luxury liner who provide all the luxuries and milk it.  In a few years they will be bringing all their relatives for a free ride on this ship which in no time flat will turn into a tramp steamer full of holes heading for the bottom with Captain Trudeau at the helm.