Stephen Markle

Alvin goes behind Lulu's back in order to delay her move to Berkeley; Nick gets caught in the middle when a man and his son seek a merger of the family department store.

Summer discovers the truth about Seth. Sandy and Matt (recurring guest star JEFF HEPHNER) encounter an obstacle to their hospital project. Kirsten and Julie take their matchmaking business a little too far, causing Julie to go into hiding. Marissa finally tells Johnny (recurring guest star RYAN DONOWHO) how she truly feels. And Kaitlin (recurring guest star WILLA HOLLAND) wonders which Cooper Johnny really likes.

The team takes on the case of a woman who was rescued at sea en route from Cuba in her desperate bid to get a diagnosis from Dr. House.

Vaughn, who has now lost counter-mission approval to Jack, angers Sydney when he suggests that Jack had set up Irina during the Madagascar mission.

As Irina's trial nears, Sloane informs Sydney that Richter was infected by an Ebola-like virus that Sark has developed.

Conflict continues out of court in the desertion and murder trial taking place in Australia as Mac turns her attention to Mic.