When Castle appears on a late-night talk show to promote his book, Heat Wave, legendary host Bobby Mann leans in during a commercial break and whispers, "They want me dead." When Mann dies later that night, seemingly of natural causes, Castle has to convince Beckett that there was foul play. During the investigation, Castle is seduced by a Hollywood hottie, who was the other guest on Bobby Mann's show the night he died,
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Complete story — includes the ending
When a legendary talk show host ( Tom Bergeron ) is found dead after Castle appears on his show and he reveals to Castle that his life is in danger, Castle and Beckett work to piece together a timeline of his final hours that could crack the case even though it seems the victim died of natural causes. Meanwhile, Castle's fling with an actress, who is up for the part of Nikki Heat in the movie version of Heat Wave, has Beckett jealous.