Edward Finlay

It's been an up-and-down emotional roller coaster for Mitch and Cam in their quest to adopt another child. Their latest ride has them bringing Gloria in tow as a translator, leaving Jay and Manny to look after Lily, who has a big dance recital coming up. Meanwhile Claire and Phil have a proud parenting moment when they send Alex off to her first prom, but then that is quickly marred with Haley's shocking news of her future plans.

Jake’s investigation of philanthropic civic leader Lucas Wint (guest star Ian Roberts) is shut down by Commissioner Podalski (guest star James M. Connor). Still determined to crack the case, Jake enlists Amy and a reluctant Captain Holt to help him uncover more evidence, even if it means facing suspension. Meanwhile, Charles is devastated over pre-marital problems with Vivian, and Gina knows just how to cheer him up.

Naomi's friends worry that she is rushing to get married, so Naomi and PJ (guest star Nick Zano) decide to throw a small party so everyone can get to know him. Austin (guest star Justin Deeley) returns to Los Angeles and offers to be Adrianna's new manager, suggesting she give country music a try. Caleb (guest star Robert Hoffman) is concerned Ivy might not be emotionally stable, while Annie finally admits to Caleb that she is falling for him. Meanwhile, Silver feels conflicted about her feelings for Navid who is back in town. Matt Lanter and Tristan Wilds also star.

On the 10th anniversary of 9/11, Mac and the team remember specific moments from that day that were indelibly burned in their mind. (TV-14)

LAPD liaison Marty Deeks helps the team find a socialite connected to a Navy officer's murder.