Sienna Taylor has been secretly in love with her sinfully handsome best friend Leo Delgardo for years. But she's always valued their friendship too much to risk changing the rules...until the attraction between them reaches a fever pitch that's impossible to ignore.
When sexy playboy Leo starts seeing Sienna in a new light, all bets are off. The lines of their lifelong friendship begin blurring as they wrestle with intensifying romantic feelings that threaten to combust.
Just when they finally seem poised to come together, Leo's sophisticated ex arrives on the scene, stirring up old jealousies and misunderstandings. After a public confrontation shatters Sienna's confidence, Leo sets out to prove he's playing for keeps this time. But can Sienna trust he wants more than a quick fling with the girl next door?