Si fueras tú is a Spanish thriller streaming television series starring María Pedraza, Óscar Casas, Nerea Elizalde, Lucía Díez and Jorge Motos[1] that originally aired in 2017.

Produced by RTVE in collaboration with Atomis Media, it consists of an adaptation of the New Zealand teen show Reservoir Hill.

[2] Adapting at her new school and in the neighborhood becomes all the more difficult because she has striking similarity to another girl, Cris, who disappeared half a year earlier.

[2][3] Si fueras tú is an adaptation of the New Zealand series Reservoir Hill,[3] and it was produced by RTVE in collaboration with Atomis Media.

[8] The series was presented as a trans-media project where viewers could decide on the direction of the plot, and in which the production crew hence would face the challenge of quickly creating, shooting and wrapping each episodes in barely 5 days based on the audience's decisions.