The film owes much of its tension to a highly recognizable cast of Mexican television and cinema stars:
The narrative shifts from erotic fantasy to stark reality when the couple decides to transition into an actual open marriage. The "canon" or rule of their relationship—that Mariana can explore others as long as she always returns to Julián—is tested when she meets Javier Betanzos ( Humberto Zurita ). What began as a controlled game of voyeurism and honesty quickly devolves into: fylm canon fidelidad al limite 2014 mtrjm hd bjwdt new