Fan Casting Four Sons

In a small country town lives the Diamond family, the father Montgomery Diamond and his for sons Chauncey, Quinn, Laurie, and Chester. The sons are very close to their dad but everything changes when Laurie finds his baby photos are photoshopped and the four brothers quickly realize they're not even related. Along with they're father acting strangely and a private eye named Rose Gold showing up saying she can help, the brothers have a lot of work to do.