It should had been all over by now. A thin story that is being stretched.
So we get flashbacks about the lives of the various characters. That is pure filler.
I did not even buy how easy it was for Duke to be kidnapped.
As for throwing it all on the roulette wheel. Anyone sensible would had dragged Keeley out of the casino and thrown her into the sea.
I mean Frank stole the lottery ticket and the best thing to do was march him to a police station. Let the lottery people sort it out.