Sheldon considers dropping out of college to focus on building his database; George Sr. is frustrated when someone else gets credit for his football wins.
When the body of a half-naked woman is found hanging by cuffs in a public park; the investigation takes Castle and Beckett into New York's underground world of sexual domination.
Lily and Marshall receive shocking news that has a profound impact on the gang; Ted begins his duties as best man for an old friend's wedding.
Afraid they will never get pregnant, Lily and Marshall decide to see a specialist; Robin begins her new job.
With time running out to save the victims of a kidnapping ring before they are transported overseas, Jane and Lisbon zero in on the criminal enterprise’s mastermind. Meanwhile, Lisbon decides if she will move to D.C. with Agent Pike.