The workplace is terrible. Employees are expected to work brutally long and exhausting hours because the leadership can't hire enough people to do all the work.
The work culture is also the worst. Your colleagues will work against you instead of working with you and spread lies about you. Gossip will be spread, and fake stories will be made up about you. There's no way to avoid it.
If you don't like the culture of lies and the awful workloads, the only way out is to quit. You will be able to save your sanity that way. If you have another offer and you want to know about this workplace as a potential new employee, you can skip this employer altogether.