Cumpleaños.

Fernanda returns to Chile ten years after the unevenful birthday party in which her twin sister Emilia died. She decides to organize a new party in the same house and with the same guests as ten years ago, but this time with the sole intention of discovering Emilia's murderer. Everyone is suspicious. Old unresolved conflicts, loves and hatreds will arise and everyone will try everything to prevent their darkest secrets from ever coming to light