Nat and Mina stay overnight in a hospital when they accompany the person who is run over by their car. Dr. Aziz places them in Ward 13, a long-closed ward that contains many mysteries. At midnight, Nat hears a knocking sound on the bathroom floor, and she tells her boyfriend, Devon, about it. The next day, Devon comes to the hospital and makes a joke by knocking on the door from the inside, something that is forbidden. Devon dies and the ghost of the crawling nurse, drags Nat into the bathroom gutter.

Bangsal 13 merupakan film horor Indonesia yang dirilis pada tahun 2004 yang disutradarai oleh Ody Harahap. Film ini dibintangi antara lain oleh Endhita, Luna Maya, dan Lia Chandra, beserta pemeran pembantu lain. Film ini dibuat di daerah Sitamala, Tangerang pada tahun 2003.