A neighbor/pilot of mine told me if there is a safety issue, must civil courts will rule in favor of the pilot. So, if it makes it to court (they sue for breach of contract or you try to clear up your credit) you can argue that you felt your life was in danger. My neighbor had left a flight school he instructed for many years ago, got sued and the company dropped the suit when he argued that the a/c they flew were unsafe.
Didn't your company have a mid-air a few years ago? Any past violations on their certificate? Sight those issues when leaving the company and maybe they won't bother to collect on your contract.
I'd probably just stick to the contract, learn from the experience and look forward to another job.