The Fosters: Season 1, Episode 4

1 - 4: Quinceañera

Mariana's quinceanera is coming up and Lena wants it to be the best. However, when a secret is revealed, it could end the party before it even starts. Lena's mom comes for a visit and Stef gives Brandon a pep talk on the rules of dating when he see's Talya and Callie getting more friendly.