In an upscale neighborhood of San Francisco, a killer is terrorizing the area, targeting women and leaving a red scarf as a signature of his crimes. A survivor of the attacks provides a crucial lead, guiding Carole and Sydney closer to uncovering the truth.

Three gangsters break out of prison and set their sights on recovering stolen loot from a previous heist, hidden away at an abandoned port. However, when the police track them down, the criminals resort to taking Caulfield's widows hostage in a desperate attempt to escape.