As part of their annual tradition, Stef and Lena have Mike over for Father's Day brunch. Jude surprises everyone, especially Callie, by inviting his biological father, Donald, to join them. Callie spends Father's Day with the Quinns and hears some surprising news. Frustrated by his situation at Idyllwild, Brandon let's off some steam with his classmates.

The family heads to Idyllwild for Brandon’s music competition where long-held feelings are revealed and life-changing secrets are unveiled.

After Callie and Jude discover Jack is being abused by other boys in his group foster home, they turn to foster care advocate Justina to get him help. Jesus attempts to get to know Gabe at work even as Nick urges him to tell Gabe the truth about who he is. Meanwhile, Mariana is surprised when Nick asks her out.

After being given the all clear to head home, tensions are still running high in the Adams Foster household. Fragile and skittish from the school lockdown, the family sticks close, but their secrets keep them apart. Callie and Brandon anxiously wait for their moms to address their behavior in Idyllwild while Stef warns everyone to stay off their phones and computers due to the rumors swirling around their family.

Brandon travels to New York City for his Julliard audition and meets a girl who forces him to take a hard look at his life, including his relationship with Cortney. Meanwhile, Stef and Lena make an unexpected announcement that leaves the family in shock. And Callie’s friendship with Aaron causes friction between her and AJ.

It seems just about everyone in the Adams Foster household has a secret, but unfortunately for each of them, they all start spilling out. With Callie’s court date inching closer, Robert’s attorneys present a defense strategy that Callie vehemently opposes. Monte and Lena join forces to stop Drew’s underhanded dealings. Stef works to bust Diamond’s pimp. Jesus asks Gabe to keep a secret from his moms.

Callie gets control of her life and applied to audit art classes at a local college. Jesus distances himself from Mariana and Brandon so he can build his treehouse with Gabe alone. The Fosters get a new neighbor.

It’s prom night at Anchor Beach. Grace’s mom has a candid conversation with Brandon, meanwhile Ximena faces a life-altering decision when ICE agents show up at prom.

Stef’s mom comes to visit and helps Stef cope with a tough time. Meanwhile, Callie and Jude grapple with the memory of their biological mother.

Brandon and Grace go on a road trip and discover a lot about each other, while Mariana and Emma vie for a competitive internship. Stef and Lena go on a couples retreat to reconnect.

The family travels to Turks & Caicos for Brandon and Eliza’s wedding where they find themselves at odds with their future in-laws, meanwhile when Brandon and Eliza find themselves butting heads, Brandon turns to the person who knows him best.

After a turbulent few days in Turks & Caicos, the family starts to question if the wedding will actually take place. The moms make a huge decision that will change the family forever.