Big Zapper(1973)

If you need the toughest...fastest...deadliest private eye, the best man in town...is a woman!

Big Zapper is a crime film following Harriet Zapper, a sharp female private detective hired by a wealthy elderly man to locate his missing children. What begins as a straightforward missing persons case quickly spirals into a dangerous web of counterfeiting and murder. As Zapper digs deeper into the investigation, she uncovers dark secrets that put her own life at risk. The film blends detective noir with high-stakes action, delivering twists that keep the case—and the detective—constantly in jeopardy. Zapper must navigate corrupt underworld figures and deadly adversaries to solve the mystery and survive.