Upon receiving a series of photographs taken from an ATM security camera, Calle becomes involved in a perplexing fifteen-year investigation. She manages to steal three surveillance tapes, and interacts with strangers, bank employees, and a pawn shop merchant in an attempt to clarify the meaning of money, security, and the anonymous photographs. The images, originally exhibited in an installation entitled Cash Machine, are now presented as the central narrative in this unresolved investigation.