Joey's relationship with costar Katie has consequences that could get him fired from the show, unless he manages to talk her out of her dressing room. Joey and Lauren acknowledge their feelings for one another. After Gina teaches Alex how to make lasagna, Joey is forced to judge a taste test.

Greg, for his final proficiency, has to determine how the Sherlock Holmes of a Sherlock Holmes club was killed. Nick and Warrick try to determine how the driver of jeep was killed when the car ran off the road. They have to do this under budget while Catherine is watched by Ecklie.

The Cohens decide to welcome Lindsay into the family after Caleb's secret was revealed. Another family is shattered when news is revealed that one of them is leaving Newport. Meanwhile, Seth attempts to be a 'bad boy' to impress Alex.

Scott Woolley, an old high school classmate seeks revenge on Karen for ruining his senior year by trying to become president of Walker, Inc. After Scott prepares a presentation that wows the board of Walker, Inc., he takes over control of the company, much to Karen's dismay. Meanwhile, Jack and Grace take the day off of work to go to the movies. While at the supermarket getting snacks, they run into Vince and his co-worker and assume that Vince is cheating on Will.

Tara Patterson disappears from a bus stop on her way to an S.A.T. prep course, and the team is called in to investigate the disappearance of the 4.0 student. While investigating, the team soon finds out that Tara is in deeper then they think when they start learning about smart drugs and married men with secrets.

TONIGHT: Author Howard Zinn!