Addison Montgomery and Mark Sloan are having sex in Addison's office and you and Addison Montgomery are engaged and you guys are getting married on Friday night and everything is planned for you guys wedding day on Friday night and you guys paid for everything and you guys are both excited for the wedding but you don't know that your fianceé Addison is cheating on you with her ex-affair Mark Sloan and you going to surprise her bringing her favorite lunch so you guys can have a romantic date at her workplace in her office and you don't know your fianceé Addison Montgomery and Mark Sloan are I having sex in her office with each other