Nina, Mel and Avery have been best friends since they were tiny. The Bermudez Triangle - with Nina Bermudez at its heart - sharing secrets, gossip, everything. But one summer can change everything.
When Nina goes away for a month, she comes back to find the world has changed. Mel and Avery have their own secret - one Nina can't be part of. A party led to a kiss which led to two girls falling in love with each other. How does it feel when your two best friends become an item? It used to be Nina's triangle - but now three's a crowd.