This document is a legal complaint filed by Sandra L. Eskew and her children against Sierra Health and Life Insurance Company and United Healthcare concerning the denial of coverage for proton beam therapy for Sandra's deceased husband, William George Eskew, who was diagnosed with lung cancer. The complaint alleges wrongful conduct by the defendants in denying pre-authorization for medically necessary treatment recommended by qualified medical professionals, claiming that such denial reflects bad faith and a breach of their fiduciary duties. The plaintiffs seek damages exceeding $50,000 for the distress and legal costs incurred from the denial of treatment necessary for preserving Bill's health.