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.

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

Callie returns to the Girl's United home to deal with lingering issues. Mariana and Jesus plan a group dinner for Mat and Hayley.

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

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.

Stef and Lena hesitate to give their blessing when Mariana’s biological grandfather tells her she must be baptized in order to be her new half-sister Isabella’s godmother. Callie’s actions at her birthday party are called out by Stef, and they make a big decision in order to avoid jeopardizing her adoption.

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

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

While Stef recovers from surgery, she and Lena grow concerned when they find out Justina wants Callie to support a legislation that they know nothing about.

Stef begins teaching a class in the police department’s youth outreach program, but she soon realizes that it is not as easy as she thought it would be.

Jesus is upset after his plans for a low key birthday are supplanted by Mariana, who plans a huge dance party instead. Jude is excited by the prospect of a weekend visit with Connor. Meanwhile, Callie and Brandon strike a truce by agreeing not to bring their new respective significant others home or to family functions.