There's Someone Inside Your House (2021)

There’s Someone Inside Your House earns its place in the slasher lineup with a killer hook: the murderer doesn’t just come for bodies, they come for reputations, turning high school secrets into weapons and making every hallway feel like a confessional with the lights off. Director Patrick Brice keeps the pace brisk and the vibe mean, mixing glossy teen-mystery energy with bursts of grisly, up-close violence that will satisfy anyone craving old-school “who’s next?” thrills. The opening sets the tone with a nasty jolt, and the face-mask gimmick is unnervingly intimate in a way that lingers longer than the jump scares. It’s not for the squeamish or anyone allergic to bloody, explicit kills, but if you want a sharp, crowd-pleasing slasher with a modern twist and a ticking-clock graduation dread, it’s an easy Friday-night pick.

There’s Someone Inside Your House is clearly aiming for a modern teen slasher with a social-media-age hook: your secrets literally become your death mask, and the movie wants to mix whodunit tension with commentary about shame and cruelty. The problem is it feels overstuffed and oddly hollow at the same time—lots of characters and incidents, but not enough sharp development or suspense to make the premise land as hard as it should. The kills are bloody and explicit, so if you’re here for straightforward gore and a glossy high-school vibe, you’ll get that, but don’t expect a particularly clever mystery or a satisfying payoff. If you’re picky about tight plotting, memorable villains, or slashers that genuinely escalate, this one may feel like a decent trailer stretched into a feature.