A couple of friends break into their school late one night to solve a mystery hidden in the past, only to realize that they are trapped inside with a masked serial killer.
| Actor | Role |
|---|---|
| SSigrid JosefssonElin | Elin |
| TTomas KärrstedtJimmy | Jimmy |
| UUlrica HedénLinda | Linda |
| HHenrik JärvHenrik | Henrik |
| MMikael StridssonThe Principal - Thomas Runtoft | The Principal - Thomas Runtoft |
| MMichel Abou RjeiliThe Teacher | The Teacher |
| KKicki BackebjörkErika | Erika |
| DDan JohanssonLars | Lars |
| LLina JohanssonSofie | Sofie |
| SSara LärkhagenSara | Sara |
| JJan LundmarkSpooky | Spooky |
| JJimmy HanssonBurglar #1 | Burglar #1 |
| CChristoffer HedénBurglar #2 | Burglar #2 |
| PPauli RaitaniemiDoctor | Doctor |
 Daniel LehmussaariMental patient | Mental patient |
 Chaton AndersonIsabelle | Isabelle |
| OOden NilssonNiklas | Niklas |