Aisha De Haas

When a family's nanny is found gruesomely murdered, the obvious suspect is her Internet love interest, "Casanova" (guest star Steven Bauer). But it isn't long before Detectives Olivia Benson (Mariska Hargitay) and Elliot Stabler (Christopher Meloni) suspect the nanny's employers (guest stars Mark Valley and Anastasia Griffith) may have a few dark skeletons in their closet. The investigation leads to a case of murder and infidelity, which is further complicated when Stabler's own family suffers a tragedy that leaves Stabler's unborn child in serious danger.

Sarah Walsh (guest star Sofia Vassilieva) wakes up from a night of partying and believes she's been raped. In shock that it could happen again, she calls Detective Benson (Mariska Hargitay), who handled her previous rape case, for help. The search for Sarah’s attacker leads the cops to a smooth-talking cyber mogul who preys on vulnerable girls and bribes them for their silence. Meanwhile, the SVU comes together to say goodbye to the retiring Sergeant Munch. Also Starring Ice T (Detective Odafin Tutuola), Dann Florek (Captain Donald Cragen), Danny Pino (Detective Nick Amaro) and Kelli Giddish (Detective Amanda Rollins). Also guest starring Dean Winters (Brian Cassidy), Finn Wittrock (Cameron Tyler), Amelia Rose Blaire (Nicole Price) and Matt DeCapua (Matthew Forte).

Frank must race to stop a biological weapon attack on New York City, while keeping it a secret from his family during their most sentimental holiday, Mother's Day. Meanwhile, a long-standing conflict between Danny and Jamie comes to a head.

In the aftermath of a deadly attack on the White House, Elizabeth tries to keep a major nuclear disarmament deal from falling apart while a manhunt for the attackers brings D.C. to a halt. For advice, Elizabeth turns to former secretaries of state (guest starring as themselves) Madeleine Albright, Hillary Clinton and Colin Powell, on the fifth season premiere.