Detective Benson gets in over her head; Mary Stuart Masterson and Kim Delaney guest-star -- When Detective Benson investigates a rape case outside her jurisdiction, she finds herself being questioned by local Police Captain Julia Millfield (guest star Kim Delaney) and although she gets some answers, some are difficult to accept. Benson also needs to discuss with police psychologist Dr. Rebecca Hendrix (guest star Mary Stuart Masterson) about some of her actions that have led to tensions with Detective Stabler and major distractions that have marred the rape case.

After two catastrophic earthquakes, a scientist (Kim Delaney) and the President (Beau Bridges) must work together in a race against the clock to save millions of Americans in harm's way.

After two catastrophic earthquakes, a scientist (Kim Delaney) and the President (Beau Bridges) must work together in a race against the clock to save millions of Americans in harm's way.

The post is put on high alert after a terrorist threat, and Michael orders Frank, Trevor and Chase to deploy immediately, leaving all their spouses to commiserate together.

During a night out at the Hump Bar, Roland opens up to the group about his separation from Joan. Michael is officially appointed the new brigadier general of the post, and Claudia Joy eagerly takes on new responsibilities to support him. Claudia Joy and Michael are not pleased to hear that Amanda has decided to take time off before heading to college. Meanwhile, Roland and Joan's separation affects Joan's work.

Kim Delaney's character's name on "NYPD Blue" isn't Jimmy Smits.

Kim Delaney's character's name on "NYPD Blue" isn't Jimmy Smits.

Benson and Stabler talk about Kim Delaney's guest appearance on the show.

Benson and Stabler talk about Kim Delaney's guest appearance on the show.

For those who survived the earth-shaking terrors of 10.5, the tremors just keep on coming in this sequel that finds scientist Samantha Hill (Kim Delaney) and President Hollister (Beau Bridges) doing battle against Mother Nature as she unleashes her formidable wrath in the heartland. Extinct volcanoes are erupting at an alarming rate, and the ground is opening up to swallow entire cities, leading some to believe that the Apocalypse has finally begun. All hope isn't lost yet, however, and as FEMA leaps into action to provide assistance to those in need, volunteer firefighter Brad Malloy (Dean Cain) and kindly doctor Miguel Garcia (Carlos Bernard) do their best to get citizens out of the rapidly expanding danger zones. With even more destruction on the horizon, Samantha is forced to put the past behind her in hopes that her father, Dr. Earl Hill (Frank Langella), a rogue scientist whose ideas have found him exiled from mainstream science, can find a way to divert the path of the quake and save countless lives in