A story of a young man who will fall in love with a transgender woman.

One night with a total stranger. And fate brought them together once again. That's where their whirlwind romance started.

Muhlach plays the role of Umboy, a notary public attorney who earns a living by notarizing important documents and other papers, while Velasquez on the other hand plays the role of Berns, a professional documents fixer. Every time Berns needs the help of a notary public, she goes to Umboy to "legalized" everything. This "legalization" process of documents was somehow Umboy does not agree with Berns. Their different ideology and principles in life have created a cat-and-dog fight situation between the two. But what's supposed to be a misunderstanding between the two of them will likely to create a blossoming relationship. Bound with their principles in life, how do you think the two will end up together — to the dark side where both of them will be living a dishonest life where they fix documents illegally or to the light side where everything else is in correct and honest manner?

After a bank robbery gone wrong, the Gang drives out of town to hide but they run out of gas on a deserted road and go on foot deep into the woods. There they find an old dilapidated house occupied by a mysterious young Woman and her Grandmother. As they insist on staying, the Grandmother tells them that it is the night if Ang Kumakatok (Those Who Knock), a mythical being who takes away a soul from the occupants of the house they knock in. As the dead of night unfolds, we realize who they all really are and when the knock comes, none of them can run away from an evil that stays in their soul.