alternate realities and war and polyamory

the storage for people that are 18 years in order this is about a couple using a open relationship Maddie thought mixed race half Japanese half black woman is dating David a Caucasian male they're on an expedition in Egypt until they find a magical stone it's red every 3 days the stone transports them to a different reality any reality time works differently evolution works differently and technology is different also it's always the same year but everything else is different and they have to figure out themselves what they're supposed to do and not to mention for them to go back home and once they do every 3 days we have another mission.