In the fourth-season finale, Zoila uncovers a secret that leads Rosie to the truth about Peri's murder; Carmen and Dani find themselves in danger; Genevieve makes a new friend; and Marisol seeks closure with Peter. Meanwhile, Adrian has news that brings Evelyn closer to divorce.moreless
Rosie puts herself at risk in an attempt to prove Spence's innocence; Danni seeks comfort from Jesse while avoiding Carmen; Marisol asks for Evelyn's help after Peter invites her to a gala; and Zoila tries to make Kyle jealous. Meanwhile, Genevieve and Fabian's relationship takes an unexpected turn.moreless
Rosie finds herself involved in the aftermath of a murder; Marisol makes a shocking discovery about Genevieve; Carmen worries about controlling Daniela after she begins acting wild; and Zoila notices her mother growing too close to her neighbor. Meanwhile, Evelyn reaches a new low while trying to move on from Adrian.moreless
Callie tries to earn the trust of her family and make way for a better future. Stef has to testify in Mike's case, but struggles knowing that revealing the truth would jeopardize her job. Mariana tries to garner Chase's attention through a bold decision.moreless
Callie returns home, where she and Jude face painful memories. Mike is unnerved when the shooting investigation goes awry. Jesus' interest in a girl from the wrestling team complicates his relationship with Lexi.moreless
Dr. Masters puts Virginia's job in jeopardy when he asks her to participate in a part of his study. As Virginia struggles both at home and at work, Masters is forced to move his study to another location. He soon discovers he needs Virginia's help.moreless
The Fosters come together for a special celebration. Stef's and Lena's parents get involved with the wedding planning. Callie has to make a decision about taking justice against Liam. She and Jude receive hopeful news.moreless
The Ana situation comes to a boiling point when someone is rushed to the hospital. It hits the family hard, and they try to process Jesus' and Mariana's lies. Callie tries to help Brandon understand her perspective.moreless
Mariana and Jesus go to see their biological mother Ana, and Jesus makes a decision that could affect the whole family. Lena's ex-girlfriend Gretchen visits, and Stef becomes concerned with Mike's drinking habits. Callie supports Talya when a video of her gets out and asks Brandon to do the same. Meanwhile, Brandon struggles with a new piano teacher.moreless
Moms Lena Adams and Stef Foster take in Callie, a troubled teenager, which stirs up home life for them and their three kids. Meanwhile, Lena receives a new partner at work, Jesus questions Mariana's suspicious behavior, and Callie goes looking for Jude.moreless
Olivia unravels as her colleagues learn the truth about the rigged election; Mellie tries to reel Fitz in.
Beck uses extraordinary measures to show Jake and the town of Jericho that he is in control of the town. Hawkins learns who the mastermind behind the September attacks is.
Jake and the Rangers take on Goetz and Ravenwood while a Jericho Ranger makes a choice that will alter his life. An old friend comes to warn Heather that her loyalties to Major Beck have placed her in serious danger.moreless
Hawkins receives a call on from someone who knows who he is, where he is and lets Hawkins know exactly when he'll be caught. Meanwhile, tragedy strikes.
The deadly Hudson River virus hits the area and a vaccine is being withheld from the citizens by a government official. Jake and the Rangers find a way to protect Jericho.
Jericho gets ready for a very important visitor from the new Cheyenne government. Hawkins and Chavez work to find the new leaderships secrets.
Following the battle of New Bern, Jericho begins the rebuilding process, while the Cheyenne government shows a particular interest in the town. While the dispute between Jericho and New Bern is being sorted out by the Cheyenne government, Hawkins has an old friend come to Jericho.moreless