Help! How do we fix this floor stain job by tomorrow morning?!

[Francisco Feliz]

Hey everyone,

I'm turning to this great resource that I've learned so much from over the past year for a real-life situation. 

The images below show a floor stain job that was done yesterday (Wednesday). No poly has been applied, although we intend to go with semi-gloss unless anyone has other suggestions. But, as you can tell from the pictures, the stain looks really uneven. There are many light spots, you can see the original hardwood square perimeter design on the kitchen floor, and some pet stains are still visible. We used Old Masters' Floor Stain (Espresso), not MinWax. 

We want to ask how people think we can correct what looks terrible thus far in the most cost-effective way? Adding another coat of stain would be $400 from the floor guys and they complained that it was a thick (not water-y) stain so it was harder to apply. (MinWax is what they seem to be used to.) Would adding another stain not help because it would make both the light and the dark spots darker? Should we try with another type of stain? We want to show some of the wood grain but we want to go for this darker color in as even a way as possible! 

So we are definitely out of answers here and we are hoping someone could point us in the right direction. Maybe these guys just did an awful job and we just need to get them to do whatever it takes to get the job done properly since it's their fault? Let me know what you think. Would love to hear from those that can speak from experience on how you've handled this! Hope this is enough detail. Thanks!