It depends. Sometimes movies or shows labeled as 'Hustle' might draw inspiration from real events but could also have fictional elements added for entertainment purposes.
It might show the characters constantly working hard. They could be seen striving towards their goals, taking every opportunity that comes their way, and not being afraid of putting in long hours or extra effort. That's the essence of hustle.
There are many idioms that describe a lively atmosphere, such as a sea of people, a bustling traffic, an unprecedented grand occasion, a bustling city, a bustling city, a bustling voice, a bustling atmosphere, a hubbub, a coming one after another, singing and dancing, and so on.