Jazz's boyfriend, Ahmir, visits; while Jazz learns to kiss and falls for Ahmir more and more, her friends have major concerns; Dr. Bowers asks the Jennings to fly to NYC so Jazz can be examined ASAP; Jazz goes missing and her parents fear the worst.
The Ross crew uprights a wreck filled with loose car engines, prompting a dangerous offload; a sudden stop shears off a truck's cab, shutting down the road to the border; John Allen heads down a steep ravine for a delicate recovery.
Junior is working at Stevens & Lido as an intern and takes some time to find his footing; but when he offers an idea during a pitch meeting, Dre immediately puts him in his place. Meanwhile, Bow has a meeting with one of Kyra’s teachers and learns that she has an aptitude for chemistry, but Kyra doesn’t want to transfer to a magnet school.
Beth's trip home to care for her mother sparks an unexpected realization.
Against Murtaugh's advice, Cole reaches out to Tom Barnes to help with a case that hits close to home, putting Murtaugh and Cole's partnership to the test. Meanwhile, Trish prepares to announce her campaign for District Attorney.
Things get out of hand fast when Hampton DeVille starts tracking when people leave their desks.
A horrifying discovery at the Hayes house changes the course of the investigation. Perez establishes the probable cause for Daniel's murder and his sister Zezi's disappearance.
After a Scoutmaster vanishes when he and his troop witness a strange craft hovering in the woods, Hynek is sent to investigate for Project Blue Book, while Quinn is pulled into a rogue mission for General Harding.
Appa and Umma find new ways to spice up their love life, while Janet learns more about her parents than she bargained for. Kimchee tries to prepare for his first corporate presentation while Jung can't help helping.
Lauren can't access her powers when it matters most, leaving Caitlin to take matters into her own hands when they are being pursued. Reeva finally reveals her plan for the Inner Circle and it's darker than anyone could have imagined. Meanwhile, Jace confronts some regrets about his actions and is torn between pressures from the Purifiers and his own beliefs.
Johnny suspects that Ted’s mom is attracted to him, while Moira can’t resist getting involved in a local musical production.
Pride and the team reunite with conspiracy journalist Oliver Crane after the source for his latest vigilante story is murdered. Also, Hannah’s former partner, Liam Somers, surprises her in New Orleans and shares a shocking revelation about an old case.
Dark matter and dark energy are locked in an epic battle for control of the cosmos, and the winner will determine the fate of the universe. New discoveries might reveal which force will emerge victorious.
Henry Louis Gates, Jr. shows comedians Seth Meyers, Tig Notaro and Sarah Silverman that their family trees are filled with people whose struggles laid the groundwork for their success. Gates also reveals to each one news of an unexpected DNA cousin.
After an investigative journalist is murdered, the team uncovers information linking the suspect to past cases. The victim’s death also strikes a chord with Maggie, leaving her desperate for answers in regard to a traumatic event in her personal life.
Mike and Peggy are stunned when they learn that Father Dunne has a girlfriend; Frank loses the church keys entrusted to him and must find them before anyone else does.
The rookies become the prime suspects after it is discovered a large sum of money used in a drug bust has gone missing.