Julia Blake runs a cleaning business. She has the unfortunate habit of finding murder victims.
In this story, Julia's colleague, Cain, asks for her help. He's met a young woman called Kayla at his knitting class. He likes Kayla and wants to know if she feels the same way. He can't tell how Kayla feels and asks Julia to come along to the knitting class to meet her.
Everything goes well until a member of the knitting class is found murdered the next morning. It's not long before Julia discovers Kayla is a murder suspect. She can't tell Cain this. She has no option but to make discreet investigations into the murder case.