Second Brexit referendum, Theresa May quits or another election – if PM’s deal is rejected then what happens next?
THERESA May is insistent that she's got no Plan B for Brexit - just days before she's set for a humiliating defeat in the Commons from her own MPs.
But the reality is that if it gets chucked out - and it's looking likely that it will - then all bets are off as to what happens next.
And the numbers look pretty bleak from where it stands - with over 100 blasted the deal so far.
Now nothing's off the table - from a general election, Theresa May quitting or a second referendum on Brexit.
Whatever happens the next week will be crucial for our EU exit.
Back to Brussels for changes
If Mrs May loses the vote, but not by much, the PM could be marched back to Brussels to try and get them to re-open the deal.
So far she's said she can't do this, and it would risk the whole deal.
But if MPs throw it out, it could send a strong signal that they won't get behind it unless it's changed.
Extension of Article 50 for more time
The PM set the clock rolling on our EU exit on March 29 2017, when she triggered the Article 50 process which lets us exit the EU.
We have just a few months until we quit no matter what.
The PM could try and buy more time for talks and changes to the deal by rescinding Article 50, or asking the EU for an extension.
But last week the PM said she wasn't open to doing this because the whole deal would be at risk.
Push for Norway option
The Sun revealed last month how Amber Rudd and Michael Gove were in secret talks with Labour MPs about backing a Norway-style deal with the EU if Mrs May fails.
The UK could join the European Free Trade Area and still be able to do trade deals, but the PM would be unable to say she's taken back control of our borders as it would allow unlimited immigration.
And we could still be forced to pay money to the EU as well.
The PM has said this option won't be right for Britain, but she could be persuaded to change her mind
Theresa May quits
The PM has always said she has a duty to serve her country and deliver for the people, but for how long?
Mrs May has stubbornly fought on despite so many telling her to pack it in.
There's always the chance that she might throw in the towel and leave the challenge to someone else if the vote reveals a huge defeat.
Last week she refused three times to rule out quitting, and yesterday she hinted that Brexit plan B was a problem for her successor.
Snap election
Remember when Mrs May said she wasn't planning and then called a snap election?
Yep, we were all pretty surprised too.
But there's always a chance that the political turmoil could result in another vote - giving Mrs May the chance to sell her deal to the public and get them behind her.
However, after last year's fiasco where she lost a handful of seats, the PM's sure to think it over a bit more first. She's denied she wants another election at the moment.
Any chance that Jeremy Corbyn would get into power would be seen as a risk most Tories are unwilling to take.
Another referendum
Remainers have been pushing for this for ages, because they want to overturn the result of the referendum.
And many Tories are joining the growing calls too.
Mrs May could try to settle the issue once and for all by calling a vote on her deal.
But that would open up the possibility of what to put on the ballot - would it be her deal or no deal, or her deal and remain in the EU?
The PM's said so far we must respect the result of the ballot in 2016 and holding another vote would be divisive for the whole country.
Tories oust Theresa
We know at least 25 MPs had written letters of no confidence in Mrs May last month, but the magical number of 48 was never reached.
Brexiteer MPs said they would try to oust her again after the vote instead.
If enough feel strongly enough that she can't lead them on, the vote could spark a fresh Tory leadership contest.
After 48 letters are received, Sir Graham Brady will announce a vote of confidence in the PM.
If half of her MPs back her, she's safe for a year. If not, we'll be plunged into a contest that could take months to find a new leader and PM.
Yesterday Sir Graham urged her to delay the vote - hinting she could be toast if she didn't.
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The Government collapses
Jeremy Corbyn has said he'll table a vote of no confidence in the Government in the event the deal falls.
If the Government lose it - which is unlikely to happen unless Tories or the DUP don't back them - then ministers have 14 days in which time they have to win a second vote.
If they can't do it, a general election is automatically called.
The last time a vote of no confidence was used was in March 1979 when James Callaghan was defeated.
