Two estranged sisters, Vee and Leah Dillon, join forces to commit a bank robbery in a desperate attempt to save their brother Michael from a dangerous debt. The heist quickly turns chaotic when the bank's alarms activate, leading to a tense standoff with law enforcement. The bank manager, Ed Maas, offers them a way out by revealing the existence of an underground vault that contains a substantial amount of cash. Desperate and running out of options, the sisters and their accomplices descend into the vault in hopes of retrieving the money and making their escape.

However, as they navigate the eerie lower levels of the bank, it becomes clear that something sinister lurks within the underground chambers. The group begins to experience strange and terrifying occurrences, suggesting that the vault is haunted by a malevolent presence. With time running out and a supernatural entity threatening their lives, the criminals must confront their deepest fears and unravel the mysteries of the haunted vault to survive.