This is a parallel story of Ava Winchester, Ava and Caroline are Dean and Sam's daughters from another universe. You heard of Sam and Dean story. This is their story about their lives without monster in their life and Sam and Dean having that normal life they always wanted and raising a family together.

After their parents died, Kevin, Joe and Nick got custody of their little sisters Hayley and Annie. Now the girls have to deal with being the sisters to the Jonas Brothers without their parents.