In a psychiatric hospital in New York, an enigmatic man who calls himself Prot arrives with an incredible story: he claims to be from a distant planet called K-PAX. With a charismatic personality and an aura of mystery, Prot quickly captivates other patients and, especially, Dr. Mark Powell, the psychiatrist in charge of his treatment. As Dr. Powell delves into Prot's mind, the line between madness and sanity begins to blur.
Prot shares fascinating details about his supposed home, its advanced technology, and his unique perspective on life, provoking both skepticism from the medical team and genuine interest from some patients. His stories, although absurd at first glance, offer a refreshing insight into the despair and struggles each of them faces. Over time, Dr. Powell starts to question his own reality and the reasons behind the decisions in his personal life.
Tensions rise when Prot suggests plans for a grand "escape" for his fellow patients, triggering a series of events that will change everyone. Is Prot really an extraterrestrial or just a man who has found a way to escape his pain? With an ending that leaves the audience reflecting on the nature of reality, this poignant story explores themes of human connection, hope, and the power of love amid suffering. Get ready for a cinematic experience that will make you question everything!