It all started with one mysterious briefcase. When Allie's father dies, her half sister, Kat, is left in charge of his detective agency -- and of Allie. Despite the many changes in her life, Allie can't help being excited by the possibility of being close to some real private-eye adventures, the kind she is always daydreaming about. So when a man comes to the agency asking Kat to guard his briefcase, it looks like Allie will get her chance to investigate.
