Throughout the story, the narrative builds a sense of anxiety as the protagonist, Mark, finds himself in a dangerous and unpredictable situation. He is trapped in a high-stakes game of poker, where the stakes are not only monetary but also involve the lives of those he holds dear.
The atmosphere is charged with tension as Mark struggles to outsmart his opponents and overcome the threats they pose. The author creates a palpable sense of suspense as Mark faces risky situations, desperate to make the right choices to ensure his survival and protect his family.
The sense of fear and vulnerability is heightened by the fact that Mark is unaware of the true intentions and motives of those he is playing against. The unknown nature of the game and the potential consequences for Mark and his loved ones add to the intense mood of the story.
Overall, the dominant mood in "Side Bet" is one of suspense, fear, and the urgency to navigate treacherous circumstances in order to survive.