Matthew Rocheleau

In Boise, an internet predator is using social networking sites to stalk potential victims.

A teen girl dies after she is seemingly pushed in front of a subway car by a homeless man; Frank is irritated by having to meet with the new inspector general.

When the team attend the White House Correspondents' Dinner in Washington, Mac makes an unexpected acquaintance and Will gets a surprise.

Brenda and her team investigate the murder of an aspiring actress, who was involved in an online dating service. Brenda also worries about her last interview with the mayor.

As Dre tries to keep the peace on Valentine's Day, the siblings try to teach Diane how to give compliments.

The gang encourages Max to come out to his parents but he instead asks one of the ladies to pose as his girlfriend; Penny meets the man of her dreams.