They didn’t. Over the next six weeks, Marcela and Ethel became the sisters they never had. Marcela taught Ethel how to laugh between takes. Ethel taught Marcela how to breathe through the hard moments. On opening night, when they reached that argument scene, the audience didn’t clap—they just sat in stunned, perfect silence.

“Again,” Mrs. Velez said softly. “From the top.”

Marcela flinched. It wasn’t in the script. But she didn’t break. Instead, she stepped closer, her voice dropping to a raw, trembling whisper. “Then stop catching me.”

Ethel rose slowly. She didn’t raise her voice. Instead, she picked up a fake compass from the prop table and held it in her palm like a dead bird. “An accident?” she whispered. “You climbed the roof. You always climb. You never think about who has to catch you.”

Ethel squeezed back. “Try and stop me.”

They ran it three more times. Each time, they pushed each other further. Marcela learned to hold her stillness; Ethel learned to let her control slip into fury. After the third run, they were both breathless, cheeks wet with real tears.

“No,” Ethel said. “But she makes me better.”

“Same time next year?” she asked.

Marcela looked at her, surprised. Then she grinned. “She makes me braver.”

They were the final two auditioning for The Girl Who Stole the Moon —a two-hander about sisters. Marcela was up for the younger sister, Luna, who was fierce and impulsive. Ethel was up for the older sister, Sol, who was measured and protective.

Mrs. Velez stood up. “Congratulations. You’re both cast. Don’t make me regret this.”