A guy unintentionally had sex with someone he least expected, but figures out despite their differences, they are somehow the same.

A lesbian couple, Pat and Karen, know fully well that their relationship won’t last For good. So they decide to draft a contract binding them together for a limited period of time, which starts out as a monthly contract, then becomes yearly, until they are together for 7 years. On their 7th anniversary, Pat makes a plan to surprise for Karen.