Thin Ice #2: Thin Ice

Thin Ice #2, in the Men of Valor series, by Ierene Hannon

Christy Reed has endured such grief after losing her parents to a car accidnet and her sister in a house fire.  Just as her life begins to feel slightly normal, she receives a letter addressed to her in her sisters handwriting with a note that states she is still alive. While working with Lance the FBI agent, to reopen the case, he questions who is the woman buried in the grave?  If Ginny is alive, where is she?  He even questions if Christy is responsible for faking the entire plot. Is Christy's life in danger?  Will they find her sister Ginny?