Sienna, raised as the wealthy Vaughn family’s daughter, gets mysterious pop‑up spoilers revealing she is not their biological child. Terrified of being cast aside, she distances herself from Asher, her overprotective, star‑baseball‑player nominal brother. Yet the more she pulls away, the more possessive he grows. When her real elder brother appears, tangled feelings surface. Can they cross the sibling line for real love?
