The Flower & The Bee (2015)

Callie is a 10 year-old girl who's intrigued when she saw two 15 year-old boys on her pick-up shuttle bus making a hand gesture which is considered as symbol related to sex. Callie doesn't know the meaning of the gesture and she can't stop thinking about it. From that moment onward, she insists to find out about it by asking adults around her.