Ep 6. The Cost of Doing Business

In Elementary season 4 episode 6 titled "The Cost of Doing Business," Sherlock Holmes (played by Jonny Lee Miller) and Joan Watson (Lucy Liu) investigate the disappearance of a young woman named Faith. Faith has a rare form of epilepsy that makes her seizures look like religious visions, and she has been using her condition to con people into donating money to her church.

The case takes a dark turn when the team discovers that Faith's church is involved in criminal activities, including drug trafficking and human trafficking. As they delve deeper into the case, they discover that Faith's disappearance might be connected to a dangerous criminal organization.

Meanwhile, Sherlock is struggling with his own demons. He is trying to come to terms with the fact that his addiction has not been cured and that he will always be an addict. He meets with a former sponsor who tells him that addiction is not a disease that can be cured, but rather a lifelong battle that he will always have to fight.

As the investigation intensifies, Sherlock and Joan are forced to make a difficult decision: risk their own safety to continue pursuing the case or back off and let the criminals go free. They ultimately decide to continue their pursuit, leading to a dramatic showdown with the criminal organization.

"The Cost of Doing Business" is a gripping episode that explores the complex themes of addiction, betrayal, and sacrifice. The performances by Jonny Lee Miller and Lucy Liu are outstanding, and the writing is sharp and engaging. Fans of the show will not want to miss this thrilling and thought-provoking episode.