Ryan Garbayo

While Fin and Phoebe make wedding plans, Benson and Rollins try to help a homeless single mother who's being trafficked in exchange for safe housing.

As the investigation into a sex-for-housing scheme expands, Benson's loyalty to Garland is tested; Rollins and Carisi try to keep their witnesses on board when a powerful congressman is identified as a suspect.

Alicia manages the fallout when her client's insensitive statements to the press threaten the fate of a multi-billion dollar merger. Meanwhile, Diane faces a potential conflict of interest when she and Louis Canning are on opposite sides of a class action suit involving a pharmaceutical company. Also, Eli learns the truth about Alicia and Peter's relationship. Michael J. Fox returns as Louis Canning. Tom Skerritt reprises his role as Fortune 500 CEO James Paisley. Jill Hennessy returns as Rayna Hecht.

Capt. Gregson's girlfriend hires Holmes for a case she wants to be kept off Gregson's radar; Holmes and Watson assist the NYPD in a search for an abducted woman.