How do I get out of my Noncompete contract from a previous employer?

I worked for a home health aide company located in Fairfield, PA for less than four months. Toward the end of my employment there, I was led to another job where it would better hours, more convenient, higher pay, and just overall, more fulfilling. Upon telling my supervisor about this prospect, and to put in my "two-week" notice, she proceeded to tell me that in doing so, I would breach my employee contract and they would/could pursue in court and file litigation. I was completely shocked and appalled when I heard this and asked them why. They told me that I signed a Noncompeting contract when I was hired. Obviously, I had absolutely no idea about this. Sadly I was overwhelmed, anxious, and excited all at the same time that I failed to read my contract thoroughly. This clause is holding me back from obtaining any type of job in my area of experience within 50 miles of Fairfield, PA for the next three years. Had I known that these restrictions existed in my contract, I would have never signed it, or accepted the employment opportunity. This is taking a huge toll on me, my family and my finances. The Health field is the only career field I have experience in and this whole ordeal is really hindering my life in a negative manner. Is there anything I can do? Any help would be greatly appreciated. Thank you for your time and consideration.