Not having read the 'hell on wheels novel', we can only speculate. The main characters could be those who are at the heart of the chaos and turmoil that the title implies. They might be rebels fighting against an unjust system in a place that's like 'hell on wheels'. Or perhaps they are survivors of some great disaster that has turned their world into a hellish place. They would need to be strong - willed and resourceful to deal with whatever challenges the story throws at them.
I don't know for sure as I haven't read it. It could be a group of outcasts or people with troubled pasts.
Since I haven't read the 'hell on wheels novel', it's hard to say exactly who the main characters are. But based on the title, they might be individuals who are in some way associated with this 'hell on wheels' situation. Maybe they are workers in a dangerous industry, or people trying to make a living in a lawless area. They could be adventurers, or people who are just trying to find a better life in a place that's full of chaos.
A practical answer is Chapter 131, because it turns the idea into a concrete scene. The chapter opens with Just around mealtime, Director Sun came over pushing his small food cart., adds pressure through Just as they tried to emulate Jiang Li's example and make themselves a..., and ends on Hungry.
A practical answer is Chapter 147, because it turns the idea into a concrete scene. The chapter opens with Xiao Xueyi nodded in agreement after listening., adds pressure through She even took the initiative to call?, and ends on Only Jiang Li glanced back at Director Sun, and then took out her.
A practical answer is Chapter 114, because it turns the idea into a concrete scene. The chapter opens with As time passed, the number of viewers in the live broadcast gradually..., adds pressure through I've never seen someone so shamelessly clingy!], and ends on But just now, an uncle came and.
Look to Chapter 124 for the clearest answer. It begins with Since there were too many points cards inside Jiang Li's barrel, Director..., keeps building through However, Jiang Li merely lifted her eyelids and said indifferently, "No..., and lands on No need to repeat that number three times.].
Chapter 141 is the strongest chapter-level answer because it starts from It had happened in the afternoon when Aunt Ying's son and daughter heard... and follows through on Jiang Li couldn't help but laugh and cry..
A practical answer is Chapter 159, because it turns the idea into a concrete scene. The chapter opens with Seeing the red light of the camera turn on, Su Yinwan looked at the..., adds pressure through The moment the door closed, he straightened his back, and his originally..., and ends on Shang.
A practical answer is Chapter 191, because it turns the idea into a concrete scene. The chapter opens with This change made Jiang Cheng extremely uncomfortable., adds pressure through The portable player breaking was an accident too, Shi Xu startled me."..., and ends on Meanwhile, Jiang Shixu was.
Chapter 129 is the strongest chapter-level answer because it starts from When they saw that the live chat was full of praise for Jiang Li, those... and follows through on With that thought, he smugly turned on his phone..
Look to Chapter 168 for the clearest answer. It begins with Su Yinwan spoke those words with a pitiable expression, then lowered her..., keeps building through The next second, a crisp notification sound rang in her Divine Sense,..., and lands on The Gu Family had strict family education;
Look to Chapter 124 for the clearest answer. It begins with Since there were too many points cards inside Jiang Li's barrel, Director..., keeps building through However, Jiang Li merely lifted her eyelids and said indifferently, "No..., and lands on No need to repeat that number three times.].