Who would want to kill widowed mother of two Ellen Tailor, a seemingly innocent, inoffensive woman, and leave her body for her children to find? Rina Martin's policeman friend Mac can't find anything that looks like a motive and not much more in terms of suspects. While it is true Ellen didn't get on with her mother-in-law, it seems hard to believe their arguments escalated into a brutal killing. A former abusive partner seems a more likely suspect, but unfortunately for Mac he seems to have a watertight alibi….