Seek some legal help from a labor attorney asap. Under the facts given not necessarily a claim that can be pursued, but many other facts are missing, like your age, nationality, how long were you with the company, etc.
The answers given are limited to the facts as given and presumed by the answer itself. Without seeing actual written documentation or having a conference to more fully explore the issues, this short answer has only limited application. Make sure to seek legal counsel and provide all documentation to get assistance in making informed legal choices.
Its difficult to determine from the facts you have presented. You may have some sort of a breach of contract claim for the PTO time, but more information would be needed to determine that.
As my colleague noted, you would probably be best served to sit down with a qualified employment lawyer and discuss your specific circumstance in some detail. Good Luck.