Passport Ultra 2TB Won't Show Up in My Finder

I have been using my Passport all day and then it accidently got unplugged from my Mac. Now when I plug it back in it won’t show up in finder and it just seems to spin with the light flashing. The passport drive unlock will pop up and when I unlock nothing happens. Is all my data lost? If so this is my second Passport crash in a month. I moved all my new work photo files over to this passport and now I am afraid it’s all lost. Can someone give me an idea of how to save my data or make it show up in finder?

Thanks in advance!

It’s probably corrupt. I don’t know much about Macs but you will probably need recovery software to fix the drive or recover the data. 

Joe