This story is pretty much Cheaper by the Dozen 2, but with Glee characters. There are two families' the Martinez and the Shuesters. Going back to the lake was the best thing for the family at the time, they would grow stronger. That's until trouble comes knocking and the whole lake turns into a battle field best family wins.
Characters
David Martinez and Holly Holiday
Twins-Noah "Puck" and Santana AGE-18
Triplets- Brittany, Quinn, and Sam AGE-17
Blaine AGE-15
Adopted- Mike AGE-15
Will and Shelby
Twins- Rachel and Matt AGE-17
Kurt AGE-16
Adopted- Mercedes and Tina and Rory AGE-16
Finn AGE-18
Artie(can walk) AGE-15