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.

All the kids manage to go to the same Mexican Street festival. Callie has a relapse of her panic attacks as Ana tries to correct her past mistakes with help from Mike.

Stef has been shot and it’s not a minor wound. Flashbacks are used to tell the history of how Lena and Stef met and how the family was formed.

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.

It’s Stef and Lena’s wedding, but Frank won’t show up. Lena’s mother, Dana, and Stef’s mother, Sharon, argue about the wedding.

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.

After Callie runs away, the family try to find her. Jude is angry with Brandon about what he did the day of the wedding, so he feels even more guilty about Callie running away.