Episode 1
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.
Episode 2
Callie is accused of selling pills around school, and Lena and Stef decide not to punish Brandon which causes tension among the parents.
Episode 3
Mike asks Brandon to move in with him, and Jesus and Lexi continue to keep their relationship a secret from Mariana.
Episode 4
Everyone is celebrating Mariana's quinceanera, and the secret Jesus has been hiding comes to light, which causes tension between Mariana and Lexi.
Episode 5
Stef and Lena try to find time to work on their relationship, while Lexi and Jesus have to deal with the consequences of their actions.
Episode 6
Brandon has an audition for a sought after piano coach, while Jesus is invited to a church camp.
Episode 7
Lexi's parents punish her when they find out the truth about Lexi and Jesus.
Episode 8
Stef and Lena have dinner with Lena's ex.
Episode 9
Mariana and Jesus deal with the repercussions of their actions.
Episode 10
The Fosters are getting married, but Stef is not as involved as a stressed out Lena would like.
Episode 11
The family is impacted by Callie's decision to run away; Mariana learns the truth about Lexi's trip.
Episode 12
Callie meets a woman who works in the foster care system; Brandon reveals why Callie ran away.
Episode 13
Lena worries when Stef returns to work; Kelsey exposes secrets from Mariana's past.
Episode 14
Stef and Lena visit Callie; Jude must decide if he wants to be a part of the Foster family.
Episode 15
A family gathering brings Callie back into the Fosters' home for the first time since she ran away.
Episode 16
Callie hopes to earn back the trust of her loved ones; Stef is called to testify in Mike's case.
Episode 17
Callie's good deed creates trouble for a friend; Brandon makes a deal with an unsavory classmate.
Episode 18
Jesus is pressured to make a difficult choice; Callie is torn between protecting two friends.
Episode 19
Callie reunites with her father; Jesus struggles to keep focused at school without his medication.
Episode 20
Mariana and Jesus worry about dates as the Winter Ball approaches; Zac's mother visits Lena.
Episode 21
Stef and Mike deal with the fallout from a shocking revelation; Brandon makes another bad decision.
