Callie, a 16-year-old girl fresh out of juvenile hall, goes to live in the care of Lena and her partner Stef and their kids.

Callie meets a woman who works in the foster care system; Brandon reveals why Callie ran away.

Lena worries when Stef returns to work; Kelsey exposes secrets from Mariana's past.

Stef and Lena visit Callie; Jude must decide if he wants to be a part of the Foster family.

Callie hopes to earn back the trust of her loved ones; Stef is called to testify in Mike's case.

Callie's good deed creates trouble for a friend; Brandon makes a deal with an unsavory classmate.

Jesus is pressured to make a difficult choice; Callie is torn between protecting two friends.

Callie reunites with her father; Jesus struggles to keep focused at school without his medication.

Mariana and Jesus worry about dates as the Winter Ball approaches; Zac's mother visits Lena.

Stef and Mike deal with the fallout from a shocking revelation; Brandon makes another bad decision.

Callie and Jude face separation. Brandon suffers guilt after sleeping with Dani.

Brandon struggles with a major medical decision. Stef seeks answers on Mike's whereabouts.

Callie worries about how her actions have impacted Jude. Emma puts Jesus in an awkward position.

Dani deals with the consequences for what happened with Brandon. Jude and Callie spend the day on the Quinn's yacht.

Callie asks her biological father for a favor; Connor is pressured to end his friendship with Jude.

Brandon looks back on Callie and Jude’s first Christmas with the Foster family.

Stef and Lena take different sides on several issues; Brandon is invited to attend a music program.

Callie decides to try a new tactic with Robert while Brandon aims to convince the band that his mom’s rules can work for everyone. News about Ana’s situation gives Mariana an idea that would affect the entire Adams Foster family. Meanwhile, Jude tries to make amends with Connor and agrees to go on a group date.

Hiding a secret, Callie helps Daphne prepare for an official visit with her daughter, but both fear they may be recognized for their past actions. Things go awry when Brandon and his band play a "farm" party. With Mariana's urging, Stef and Lena consider Ana's proposal. Meanwhile, Jesus is offered an opportunity to attend a top-rated wrestling school.

Stef and Lena attempt to understand Callie's decision; Monte and Timothy's disagreement over the school curriculum puts Lena in a tough spot; Mariana tries to get a talented dancer to join her team.

Mariana finds it difficult to deal with impending changes at home and focuses her attention on organizing a student protest over an administrative incident at school. Meanwhile, when she learns Kiara is back in town and on the streets, Callie is willing to do anything she can in order to help her friend, even if that means disobeying Stef’s orders and putting herself in danger. Jude finally confronts Connor over the mixed messages he’s been sending, leading to a make-or-break moment in their friendship.

Callie thinks she's celebrating her 17th birthday with just the family, but Jude surprises her with a house party. Jude's surprise risks exposing both Callie's and Mariana's secrets when he innocently invites Rafael and Wyatt to attend. Meanwhile, Brandon's suspicions about AJ's behavior come to a head, and Mariana and Callie decide to buy a car together without telling their moms.

When Rita’s daughter shows up unexpectedly, Callie sees a different side of Rita and learns the reason behind their strained relationship.

The family heads to Idyllwild for Brandon’s music competition where long-held feelings are revealed and life-changing secrets are unveiled.

Amid tensions in their own relationship, Stef and Lena host a 40th anniversary party for Lena’s parents.

Brandon is upset when he learns that his shared secret with Callie is in jeopardy. Lena and Stef’s mother, Sharon, disagrees over how Stef should handle her diagnosis. Meanwhile, Mariana’s run for junior class president heats up as the simmering resentment between her and Lexi comes to a head.

Brandon plays referee between the two stars of his show, Mariana and Mat. Callie testifies on behalf of Daphne in an effort to help her get her daughter back.

A tragic loss brings the family together. Despite Callie’s hesitation, Justina moves forward with the Fost and Found launch party. Brandon tells his moms that Cortney has a son.

It’s graduation day for Callie and Brandon, but after some shocking news, the family wonders whether they will make it to the ceremony.