Clutching Doreen's Filofax her chest, Isobel sat with her back against the door to Frank's office and tried to think.
On the day she was killed, Doreen had planned to meet Stan at one o'clock, during the emergency drill they both knew had been scheduled. The question was, had they met? Had Stan darted into the women's bathroom just before the bell rang, had a brief argument with his ex-wife, and killed her?
Right from the start, Nikki, criminal though she herself turned out to be, had suspected Stan. But why would Stan kill the person who was helping him raise money for his operation?