Izabella and her twin sister Bia have a birthday celebration. Izabela grabs Bias phone to take some pictures and suddenly finds out that Bia and Izabelas boyfriend exchanged messages to secretly arrange meetings. Izabela is pissed cause she thinks her friend is cheating on her with her sister. Drinks fly and quickly the two girls end up in the pool fighting only to find out that in fact Bia was meeting Izabelas boyfriend to arrange a cool present for her.