Sonny Ardmore is a super liar. She lies to everyone, about everything and for any reason. But she has one real friend - Amy Rush. Amy and Sonny share everything - secrets, clothes, and even their enemy. This is Ryder, who recently moved to their town from Washington. He looks down on others and annoys everyone in the class with his snobbery. And Ryder really likes Amy... His friends decide to play a prank on him and teach him a lesson. Sonny, like a seasoned liar, takes matters into his own hands. And falls into his own trap. Does she really like Ryder? And Ryder likes her?! But he thinks that she is Amy!.. How not to lose your first love, how to maintain friendship, how to find yourself? What was intended as a joke became the beginning of a serious story...