Party Night attempts to emulate the body-count slashers of the '80s, wherein a group of carefree teens are gorily sliced and diced by a masked maniac, the grisly special effects being the real stars of the movie. A strong plot isn't a necessity just so long as the blood flows (the more creative the death, the better), and at least one of the actresses gets nekkid to take a shower and/or have sex.
Writer/director Troy Escamilla follows this simple template with a generic plot about three high school couples driving to a remote lake house to hold their own private post-prom party only to be attacked one-by-one by a murderous masked maniac wielding a machete. However, he fails to deliver when it comes to the kills and the nudity: while bloody, the slayings are dull and repetitive, and all we get in the way of T&A is one actress in her underwear and a coy sex scene in which the girl keeps her bra on. Worse still, when the killer isn't at work, his intended victims spend most of their time bickering or playing cards, which isn't exactly fun.
With no scares, zero atmosphere, and an ending that leaves the viewer none the wiser about the identity of the killer or their motive, Party Night is a weak addition to the slasher genre.
