A strange four-year-old boy named Kotaro moves into Shimizu Apartment all on his own. He doesn't seem to have any parents or family around.
After celebrating a milestone with a bang, Sam decides it's time to make amends with Carol. When a fight with Joel makes Brit re-examine the future, she turns to an unlikely ally: Felicia. Meanwhile, James conceals a destructive secret.
Carisi's niece helps a friend report a sexual assault; Benson investigates a college's secret society that preys on female students.
As Aurora continues her research, she finds information that could prove very useful. Hope commands Lizzie to do things, with surprising results ensuing. Alaric, Landon and Ted work together to devise how to best use their wishes.
Gina is torn after getting an offer to sell Valley Hills to a rival assisted living residence; Drew prepares to leave on his big trip to Alaska.
The Station 19 crew offers aid to a man who sets himself on fire; Theo proves his devotion to Vic; Sullivan seeks advice from Dr. Webber; Travis comes to a realization about his love life.
When confronted by the Davidsons, Liam shares an old land survey which could spell trouble for the Walker family. Bonham reveals one truth from the past while covering up another. Cordell has news of his own he would like to share with the family.
Detectives Kevin Bernard and Frank Cosgrove investigate the disappearance of a social media star whose case takes the internet by storm; whilst A.D.A.'s Nolan Price and Samantha Maroun must weigh their decisions regarding the case against the wishes of the missing woman's family.
Amy, Sarah and Jodie each reach different crossroads and decide to put their issues on the backburner to celebrate Coleen's birthday. The ladies bring Coleen's ashes out for a girl's night that ends in turmoil.
Bull helps an agoraphobic client bring a wrongful death suit against the alleged killer of his beloved aunt, but the client's inability to testify in person threatens the trial; Chunck's new relationship hits a snag when his mother visits.
Jenny races to find a missing Max and Rachel. Cassie and Lindor are forced to accept the help of a badly injured Wolf. The mysterious arrival of their father escalates Ren and Jag to a whole new level of sibling rivalry.
When Art tries to hide his gout flare-up, the family is shocked to learn how long it's been since he saw a doctor and they try to convince him to go.
Sam and Nina host a barbecue in their backyard where Langston's frustrations explode; Jak and Chris make things much worse.
Depressed about their dead-end jobs, the crew fantasises about a life on the casino floor; the crew helps Jak process inappropriate behaviour from their boss.
The consequences of Sam's infidelity spill over into the casino, leaving Langston to pick up the pieces; Chris and Jak try to get to the bottom of the community's deadbeat dad issue.
Chris brags about his sexual encounters with houseless women, forcing the crew to debate power, privilege and "maniflexation."
The crew heads to church as Sam deals with Nina's complicated relationship with her mother; Chris, Langston and Jak revisit their favorite parts of the church service and discover that things are not what they used to be.
Chauncey announces pay cuts for employees on the floor and sparks a debate about social justice, protests and the grind of capitalism.