Stef and Lena go on a babymoon, leaving Brandon and Callie in charge of the house. Brandon’s bandmates pressure him into having a few friends over to hear their new sound, but when Mariana and Jesus find out, the night turns into an all-out rager.
Brandon contemplates the big decision of whether to get a surgery that could either restore or destroy his dream of playing piano, but Stef and Lena find themselves on opposite ends of the debate.
It’s a big day for Callie as her future with the Fosters hinges on the revelation that Donald is not her birth father. What happens next could threaten to separate Callie and Jude once again.
Callie and Jude are getting adopted, but a problem interrupts it. Jude gets asked out on a date and Brandon makes another bad decision that he will regret.
The high school’s Winter Ball is coming and Jesus and Mariana worry about their dates, Callie is nominated for Winter Queen, and Ana comes back with bad news.
Callie’s encounter with her father leaves her confused. Meanwhile, Lena and Stef come to a major decision, Jesus struggles with his ADHD medication, and Mariana gets an invitation from Zac’s mom.
Lexi comes back and Jesus has to make a decision. Mariana knows about Zac’s, a friend, home life with his mother and Callie suspects Brandon is involved in a bad situation.
