Lisa Edelstein stops by this Thursday's new episode of Elementary.
Titled "The Long Fuse," this installment finds Sherlock investigating a bombing that takes the lives of two people, stumbling upon an unsolved crime in the process.
Edelstein - best known for her years on House and more recently having appeared on multiple The Good Wife episodes - will portray Heather Vanowen, the charismatic CEO of a high-end PR consultancy.
Watch her interact with Jonny Lee Miller's eccentric crime-solver in the following CBS promo for this Elementary Season 1 outing:
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