No, that's not how employment works in this country. Employers pay people for the right to tell them what to do. You, as an employee, have sold your time to someone else. You are literally paid for the hours. Your employer is paid for the job. You are paid to do the things your employer tells you to do, which usually is part of the job they were paid to do.

Ofc all of this is subject to a whole mess of laws, regulations, policies, and whatever other horseshit HR decides to try. The important lesson is that you as an employee should NEVER put in work beyond the time you are paid to work.