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Connor never thought he'd have another sister, never mind a twin. He needs to find her and bring her back home, but there's not enough room at the Franta's house for 5 kids. So Connor brings her back to the O2L house.

But what happens when Abby's life slowly starts to crumble? What happens when hearts are broken and hearts are fixed? Does she stay? Does she go?

Read Siblings to find out!