The first and one of the most well-known sports betting and casino strategies on how to win is the martingale system. In its basic variant, each time you lose a bet, you should wager double on the next match. This way, whenever you win, you cover all your previous losses and gain money for the next bet.

Big Bet  was inspired by a Korean casino owner in the Philippines, according to the director. After meeting people who knew the casino owner, Kang decided to write th story and turn it into a drama series.