Writer and director John Michael Kennedy’s “An Enemy Within” is a tense, contained psychological thriller built around a killer hook, but pacing issues don’t do the film any favors. The story feels familiar and is well thought out, but Kennedy doesn’t do much to make it stand out from the rest.
On his wedding night, Caleb Wingate (William Moseley) is told by a mysterious assassin known as The Wolf that he must kill his wealthy father-in-law before midnight. If he refuses? Then his bride dies.
Strong in its simplicity, the setup is engaging from the start. The film does a good job squeezing tension out of its location, too. The story unfolds almost entirely inside a remote estate, which quickly starts to feel like a trap. That isolation works in the film’s favor, giving everything a pressure-cooker intensity as family members realize something is deeply wrong and old secrets bubble to the surface.
At its best, the movie is less about the assassination and more about what the situation does to people. Caleb gets pulled into a moral nightmare where every option feels like betrayal. The film leans into themes of psychological manipulation, inherited corruption, and the way people justify greed or cruelty when they’re pushed to the edge. Over time, it becomes clear that the real enemy isn’t just The Wolf, but the rot already at work decaying this powerful family.
The Wingates themselves are painted with a sharp, cynical brush. Their wealth and status come from a long history of corporate corruption, cover-ups, and violence, and the film doesn’t really let anyone off the hook. That framing gives The Wolf’s ultimatum an extra layer of discomfort as he presents himself as a twisted force of justice, forcing Caleb and everyone else to confront what they’ve been part of.
There’s also a dark sense of humor running through the film, which helps keep things from getting too heavy. It’s subtle, but it gives a bit of bite to the more absurd edges of the premise.
Unfortunately, the film struggles with serious pacing issues. The early stretch drags quite a bit, especially as Kennedy tries to build mood and character tension. A lot of the time, it feels like he’s stretching a really strong idea further than it needs to be stretched. It becomes more interesting once things finally kick into gear, but never fully shakes that uneven rhythm.
Despite an execution that doesn’t always match the ambition, “An Enemy Within” is still a solid concept thriller with strong thematic ideas and a great setting. It’s interesting and occasionally very tense, but ultimately a bit too slow and stretched out to fully hit its potential.
By: Louisa Moore