Venus Rasmussen, a powerful woman who runs the international conglomerate Rasmussen Industries, believes someone is poisoning her. After Savich and Sherlock visit with her, someone attempts to shoot her in broad daylight. Who’s trying to kill her and why? A member of her rapacious family, or her grandson who’s been missing for ten years but suddenly reappears? Savich and Sherlock must peel away the layers and sift through unforeseen lies to uncover the incredible truth about who would target Venus. Meanwhile, Special Agent Cam Wittier leaves Washington for Los Angeles to work with local Detective Daniel Montoya to lead the hunt for the Starlet Slasher, a serial killer who has cut the throats of five young actresses. When a sixth young actress is murdered, Cam comes to realize the truth might be closer than she’d ever want to believe. With breakneck speed and unexpected twists and turns, Coulter’s Insidious will leave you breathless until the shocking conclusion.


國際大財閥拉斯穆森企業的經營者，女強人維納斯・拉斯穆森認為有人要毒害她，就在維納斯跟聯邦探員夫妻檔薩維奇與夏洛克見面之後，有人試圖在光天化日之下槍殺她。到底是誰，又是為了什麼想置她於死？是某位家族裡垂涎她地位的成員？還是失蹤十年又突然出現的孫子？薩維奇與夏洛克勢必要抽絲剝繭、拆穿謊言、揭露真相，最終揪出幕後主使者。

同時，特別探員肯恩・維媞爾從華盛頓來到洛杉磯與當地偵探丹尼爾・蒙托亞合作，負責追捕犯下五位年輕女演員割喉案的連續殺人犯史達列特・斯拉薛爾。就在第六位女演員被殺害後，肯恩才發覺真相近在咫尺，令人難以置信。

本書劇情緊湊、峰迴路轉，絕對讓人摒息以待，直到最後讀者才會知道出乎意料的結局。