How to deal with workplace bully when the boss is also on bully's side?

As a matter of fact, I left the job. Till this day, I've been thinking to take revenge on them by securing the best and better job than my previous designation. You may get me wrong but I could never forget and forgive them. I still cry to this day and may well take this to grave if I could. They did me so wrong, even made my life hell till the last working day and kind of pressured me to leave the job. I cried everyday after I returned home during those days. I was naive at that time as it was my first job but they took advantage of my kindness and walked all over me. This incident traumatized me and shaken me to the core that I felt scared and anxious about my next job. I'm still giving exams and interviews to get a decent job. Please help me out guys, I have no confidence left in me.
How to deal with workplace bully when the boss is also on bully's side?
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