The Quarantine Hauntings (2015)

17 yr old Jasmine struggles to come to terms with her fathers death. She and her best friend Skye are left to take care of their younger siblings Zac, Blake and Eva when their mother's Sandy and Katherine decide to go on a girls night out to give Sandy a breather. Jasmine and Skye take the kids to the notoriously haunted Quarantine station to research a school assignment where they find out more about a resident ghost; Jolene Denman, AKA the girl in the pink dress. In an attempt to scare the boys, they pretend to evoke the spirit of the troubled girl but when things start going terribly wrong they begin to realize that their actions have had serious consequences. Jasmine and Jolene have a fateful connection. That night as Jasmine's behavior becomes increasingly concerning, Jasmine's boyfriend Cameron and Skye discover that the kids have gone missing.

Source: TMDb