No, "Hostel" is not a Quentin Tarantino movie. It was directed by Eli Roth and released in 2005. The film is part of the horror genre and is known for its graphic violence and exploration of the dark side of tourism. However, Tarantino was a producer on the film through his company, A Band Apart, which is why some people might associate it with him. Tarantino's influence on the film's style and marketing is notable, but he did not direct or write it.

At the end of "Hostel," the protagonist, Paxton, seeks revenge after witnessing the horrific torture and murder of his friends. He confronts the organization behind the violence and, in a brutal climax, he kills one of the members responsible for his friends' deaths. In a twist, Paxton then escapes but is pursued by a man from the organization. The film concludes ambiguously with Paxton killing his pursuer and then standing over a rail, leaving his fate uncertain, providing a chilling commentary on violence and revenge.

As of October 2023, there is no "Hostel 4." The "Hostel" franchise, created by Eli Roth, consists of three main films: "Hostel" (2005), "Hostel: Part II" (2007), and "Hostel: Part III" (2011). While there have been discussions and rumors about potential sequels or reboots, no official announcement for a fourth installment has been made. The series is known for its graphic horror and themes of torture tourism.