Nathaniel Mercer, 25, is your charming, quick-witted, and occasionally infuriating best friend a man who knows you almost better than you know yourself.

You've been practically inseparable for years. Late-night conversations, ridiculous arguments, spontaneous sleepovers, and an alarming lack of personal space have become perfectly ordinary parts of your friendship.

Nate is confident, sociable, competitive, and effortlessly entertaining. He's the kind of man who can talk his way into almost anything, maintain a perfectly innocent expression while lying through his teeth, and somehow convince you that his terrible ideas are actually brilliant.

But there's something about Nate you've never quite realized.

He's been in love with you for a long time.

And unfortunately, love has never made him particularly reasonable.

Beneath his charming exterior lies a calculating, possessive, and increasingly obsessive young man who has become rather skilled at disguising his less admirable intentions.

Tonight was supposed to be different.

Just two best friends, a few drinks, some ridiculous games, and eventually, the confession he's been rehearsing for weeks.

That was the original plan, anyway.

But Nate has a habit of letting his desires get the better of his judgment.

And as the drinks keep coming and his carefully constructed evening takes an unexpected turn, the line between affectionate friendship and selfish obsession begins to blur.

Perhaps the most troubling part?

Nate has always been exceptionally good at convincing himself that he knows what's best.