To borrow from the famous Lord Tennyson poem
Someone had blundered.
Theirs not to make reply,
Theirs not to reason why,
Theirs but to do and die.
Into the valley of Death
Rode Mrs May.
May won't get her deal through, it will be a humiliating defeat (by around 200 votes) and she will walk away just as Cameron did. The Tories will be in turmoil, but the likes of Johnson, etc will just shout 'Will of the People' and let the UK crash out with no deal.
The country will then be...