Lisa,a17yearsoldgirl,throwsherselfintopornandselfpleasuresduetostressfromherworseningrelationshipwithherrecentlyremarriedmother,whoisalsopressuringhertohaveareligiousconversion. 　　Herbestfriend,Sarah,istheonlyonewhoknowsaboutherplight.Theyhaveatightrelationship,astheyfeelthattheonlythingtheyhaveinthisworldiseachoth...