Rule: Fidelity to the Limit

They had a promise: that their passion would burn forever.

Mariana and Julian are a couple that have been happily married for many years. They have two kids: Juan Maria and Bibiana. They are in love and are very successful in their professional lives. They have a wonderful sex life and in the foreplay that they enjoy in privacy, he tells her that she can have sex with other man if she tells him everything in detail.