Code Knock

Kimmy, and Tammy both have been abducted by a crazed maniac, not being able to see one another they find a way to survive their capture by using code knocks on the walls. They would occasionally use their survival skills as a means to survive. Through out their years of being held captive with no freedom they find consolement in each other. Even tough they cannot see each other nor have they ever even seen one another they become good friends trying to find ways to keep each other alive.