The Telephone

Roberta has been kidnapped. When she regains consciousness, she wakes up in a small room. The only items at her disposal are a seemingly non-working telephone and a chalkboard with instructions to follow. Roberta’s nightmare begins from the awakening.
Soon, Roberta will realize she’s not alone. In the adjacent room, another girl is in the same situation. Together, they will embark on a journey towards their freedom.