In a few moments, Beatriz will be performing a solo in the choir of her Catholic school. As she changes her outfit, she realizes that her shirt is too tight and as a result her precociously developed body stands out.
Marta, feeling estranged from Isa, her older sister, tries to get closer, but is devalued. To retaliate and get the attention she needs, she plays the cello intensely, distracting Isa to the point of ruining her photography project.
