Callie meets her half-sister for the first time. Timothy starts a legal battle over his parental rights of the baby.

Dani deals with the consequences for what happened with Brandon. Jude and Callie spend the day on the Quinn's yacht.

Callie asks her biological father for a favor; Connor is pressured to end his friendship with Jude.

Stef and Lena take different sides on several issues; Brandon is invited to attend a music program.

Stef and Lena attempt to understand Callie's decision; Monte and Timothy's disagreement over the school curriculum puts Lena in a tough spot; Mariana tries to get a talented dancer to join her team.

Callie meets her grandfather, which gives her a new perspective on Robert. Meanwhile, Mariana gets ready for a crucial dance-team showdown; and Jude stands up for a friend.

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.