Jane Rizzoli and Maura Isles are best of friends and cousins. They don't believe in seeing someone more than once. The rule is never sleep with someone more than once.
They end up breaking their own rule.
Jane and Maura's life's changed after been in each other arms. They discover feelings that they haven't felt before. The best friends are confused, and don't know exactly how they feel. Will someone of them tell them how they truly feel? Or will they keep it inside themselves?