Dar Dixon

Billionaire entrepreneur Edward Vogler buys his way into becoming chairman of the board with plans to use the facility as a new biotech venture, which could mean the hospital no longer needs the services of Dr. House.

When the chief investigator of a controversial report documenting corruption within the NYPD is gunned down the day before his findings are published, Mac and Stella must find the killer, launching a massive search that makes every officer listed in the report a suspect. Meanwhile, Danny and Aiden investigate the murder of a gypsy cab driver.

Grissom and Catherine investigate the murder of a premiere chef; Sara and Warrick investigate an apparent suicide.

Cristina looks to Meredith for advice as she assesses her future at the hospital. Derek and Amelia work together on a difficult surgery involving conjoined twins. Meanwhile, Jo is spread too thin when she tries to work on several cases at once and Stephanie realizes the truth about Bailey's bubble boy case.

Emily's instability puts everything she has worked for at risk.

During a series of rolling blackouts, the team tracks a serial killer in Los Angeles who targets families.