The Fosters - Season 4, Episode 4: Soundtracks

Callie takes pictures for her senior project as AJ tags along of her former foster home, she tells AJ the reason for the photos is to understand why can't trust that things aren't permanent for her.

Still riling from her conversation with her former foster mother (Liam's mother), Callie continues with taking plans of the house and her former room as tears pour from face.

Callie shows Mariana the photo she's taken for her project as Mariana questions her safety in going inside the homes, she tells her she needs to; Lena takes to Stef about Brandon and treatment of him.

Marianna, Jesus and Mat arrive at the party, Brandon and Cortney welcome them; Cortney offers the gang drinks; Jesus gives Brandon a roll of toilet paper as house warming gift then uses it.

Callie and AJ arrive to the party, Cortney offers them drinks while forgetting Mariana's name; Gabby, arrives; Stef and Lena spy on Brandon's party and spots their car outside the house.

Stef tries to eases Lena's worries about the kids and the party; Gabby chats with the Fosters, AJ and Mat; Brandon explains Cortney to his siblings and his dates; Cortney brings Brandon a beer.

Brandon congratulates Mariana for getting back with Mat; Lena eats the leftovers outside alone in the car while Stef goes to spy; Callie, AJ, Mariana and Mat hang; Mariana talk to Mat about Nick.

Mariana confesses to talking with Nick and need to go see him to Mat when she spots Stef outside the window can calls everyone; Jesus leaves the party; Cortney is severed custody papers.

Brandon assures Cortney that she's a good mother and a beautiful woman then tells her that he loves her and that her ex won't get custody of Mason; AJ talks to Callie on the porch

Callie meets with Aaron at a cafe where she confesses her true identity to him then asks for his help on Kyle's case.