Jessica Fletcher's favourite gin rummy partner, Mimi, checks into a private hospital for a simple procedure - one that leads tragically, and inexplicably, to her death. Seeking justice in her inimitable fashion, Jessica decides to pursue her own investigation on the hospital and its shadowy business dealings. On the trail of what appears to be medical malpractice, Jessica digs deeper and learns her friend was a victim of something far more sinister. Death is bad for business, but murder is even worse...