The stress of managing the hospital and coming to terms with Ben's decision to become a Seattle firefighter pushes Bailey to her limits.

When Victoria takes part in a charity fundraiser in aid of mental health, the event provides the perfect opportunity for Emily to get revenge on Dr Michelle Banks.

When Ross is murdered while working undercover on a mission to bring down an arms dealer, Nichols, Goren and Eames search for his killer.

Larry and Rosie O'Donnell fall for the same woman and try to out-do each other to win her affections. Later, Larry learns about the Japanese art of saying sorry.

The year is 2002 in the Hamptons. Emily, who is still Amanda Clarke, is wayward and reckless until Nolan convinces her to read her father's journals.

Nichols and Eames continue their efforts to bring Ross's killer to justice without the help of Goren, whose reckless actions threaten to get him removed from the team.

Gibbs questions Vance's motives when he is asked to interrogate a teenage boy accused of killing his retired Marine father.

Sam finds his estranged sister, Corinne, in jail, heavily medicated and near-catatonic, and brings her to Sheldon for help.

Nothing is off limits as Emily and Victoria are dead set on destroying each other. Lives will be lost, freedom forfeited and fates altered, but who will rise victorious?

An abhorrent web of lies and betrayal is uncovered when a woman is confronted with video of a night she can't remember; Carisi struggles to move on from his ordeal when the suspect changes his plea.

In trying times, Thirteen helps a particularly desperate friend in need. Shocking news awaits House and Taub.

Marty arrives at work to find spurned adversary, Greg Norbert, announcing a potential acquisition. Roscoe is confused by his feelings.

A bomb puts a pregnant security guard in a coma, but the real target is a controversial genetics researcher.

An anthropology professor finds the re-emergence of a gun called the Blue Scorpion, which soon becomes his personal research project.

Bryan comes to Los Angeles to visit Ronnie, and she throws a dinner party at Bernard's place to impress him.

At Bernard's Bible-themed birthday party, Ronnie gets jealous when Colin flirts with a woman who looks very much like his ex. Meanwhile, Nichole tries to prevent her mum from discovering her secret life.

Ronnie applies for a job with another airline not taking into consideration what a change in route might mean for her relationship with Bryan. Meanwhile, Dave plans to propose to Patricia.

Nick Potter is robbed and beaten at gunpoint after trying to get a witness to testify; Brian Peluso gets ready to move in with his girlfriend.