Take Out — Margaret Maron

NYPD Detective Sigrid Harald is still reeling from the untimely death of her lover, acclaimed painter Oscar Nauman, when she is called to investigate the poisoning of two homeless men in the West Village. As she examines the mysterious deaths, Sigrid uncovers a grim neighborhood scandal surrounding two influential women: one a haughty mafia widow, the other a retired opera prima donna, both with dark secrets they've kept under wraps for decades. Was the poison really meant for the homeless men, or were they merely unintended victims as the decades-long feud between the two women comes to a head?

And still, Sigrid can't stop wondering what brought her late lover so urgently across the country to the winding mountain road that took his life--until she meets a man who may hold the answers she seeks...