Mars 2 Pluto Meets A True But Taboo Love

Riley has been living with her widowed father and little brother without her mom for 2 years. Then on New years Corey announces that he is engaged to his high school sweetheart. Who happens to be divorcee Topanga Lawrence who had been married to Stuart Minkus. Guess what that means? Yes now Farkle Minkus is now her step brother. Someone who has been distant to her for two years with no explanation. And she has been in love with him forever what is going to happen?
Exactly what is bound to happen..