The students are led by a young and ambitious filmmaker who is determined to uncover the truth about the Mole Man. They manage to gain access to the abandoned asylum and begin their investigation, but they soon realize that the legend of the Mole Man may be more than just a story.
As they delve deeper into the asylum's dark history, the students begin to experience inexplicable and terrifying events. They find evidence of mysterious experiments that were conducted on the patients, and strange and seemingly supernatural occurrences begin to happen around them.
As the night wears on, the students realize that they are not alone in the asylum. They are being hunted by the Mole Man, a twisted and dangerous creature that seems to have supernatural powers. In order to survive, they must face their fears and unravel the mystery of the Mole Man before it's too late.
Throughout the movie, tensions run high as the students struggle to sort fact from fiction, and as their fear and paranoia begin to get the best of them. The Mole Man is a formidable foe, and the students must work together in order to stand a chance of defeating him.
Overall, Investigation 13 is a thrilling horror movie that explores the depths of human fear and the power of urban legends.