Cassie and Jenn find themselves at a protest, and a girl Tay meets at the recording studio may strike a bad note.

Silver invites a few of her female friends over for a girls' night, but the event quickly turns into a house party. Meanwhile, Debbie and Harry finally reveal to Dixon and Annie that they have a brother who was given up for adoption.

Mike Rowe takes a look at some of the dirtiest jobs in America and discovers that many of our former Presidents had dirty jobs themselves. This Dirty Jobs Extravaganza will have you seeing our country's history in a completely new - and dirty - way.

Megan discovers surprising information about Laurel's past. Meanwhile, Sage and Rose get a publicist to help them with their fame and popularity.

Dutch and Claudette acquire a new ally in the department's effort to take down Vic. Meanwhile, Vic tries to manipulate the situation with Pezuela, ICE, and Aceveda. Ronnie ponders whether he should give up fighting and leave.

Live election night coverage.

When Rachel Harrington's bones are found in Zambia, her expat father and local mining engineer, Stephen, asks the team to come out to investigate. His boss, Peter, is a childhood friend of Nikki's.

Rachel had been accusing the government of a health cover-up, and an initial examination shows evidence of multiple stab wounds. But as the team investigates further, it seems the government weren't the only ones to have been rubbed up the wrong way by Rachel.