The investigation into Rosie’s killer begins as Sarah and Holder question the missing girl’s parents, Stan and Mitch, as well as Rosie’s friends and City Councilman Richmond. Rosie’s school becomes a potential murder site when Sarah and Holder uncover shocking evidence on campus. Heartbroken and grief-stricken, Mitch and Stan face the aftermath of losing their daughter.
On her last day of work, homicide detective Sarah Linden is drawn into a new case about the disappearance of a teenage girl, Rosie Larsen. Mitch and Stan Larsen frantically try to track down their daughter when they learn she did not show up at school. City Councilman Darren Richmond prepares for an important forum with the Mayor as the election nears.
A man who claims to have been abducted by aliens is murdered and his body is stolen from the coroner’s van. Van Pelt moves ahead with her wedding plans.
When a juror dies during the high profile trial of a murdered socialite, Castle and Beckett discover that the juror wasn’t really as perfect as he appeared to be.
Jeff incorporates Abed’s love of cinema and pop culture, into a specially themed “Pulp Fiction” surprise birthday for him. But the tables are turned as Abed arranges another dinner with an unsuspecting Jeff at another eating establishment.
Phil and Claire are not pleased when Luke befriends a curmudgeonly old neighbor. To avoid an invite to the symphony with Gloria and Manny, Jay goes with Mitchell and Cameron on their “boys’ night out” while Haley babysits Lily.
While the Hecks spend spring break trying to clean their house, Brick opens a stand where he shares his advice for commission.
Lockhart, Gardner and Bond represents a drug kingpin in divorce proceedings, even though the client wants reconciliation. Kalinda is subpoenaed for a grand jury investigation.
Barney meets his father and is shocked by the differences in their lives. The rest of the gang learn their “gaps”; knowledge they should have by now, but don’t.
