The Beginning to the Mistake

Elena is Sam's younger sister(18). Colby is Sam's best friend. Elena is the sister that has the hots for her brothers best friend. Colby is the best friend that has the hots for his best fiends sister.

One night Colby and Elena go a little to far and they do something that they will regret. With all that regret comes something that has 2 legs and 2 arms, and Elena and Colby get some new nicknames; mommy and daddy.....What will Sam think? What will Colby and Elena do?