My 1 Terra passport stopped working

Dear all,

Please help me I am in deep problem, My 1 terra passport used to work fine. Now, when i insert it to my usb sometimes it gets recognized and others not but when it do I run the unlock program and type my password but when I do it accpets it and then an empty partition appears i cant even do anything with it. its blank not that its empty it looks like its not recognized or something. Please help me all my work is in there

Try Recuva, TestDisk or PhotoRec to try to recover the data.