Kitty and her brother, Paul, are careful to have sex only during the 'safe' times, and Kitty arranges for a sex-starved school-friend to 'take over' during the other weeks. And then Kitty's sister, Sarah, sees what's going on and wants to join in. And Sarah has a hidden agenda.
He discovered his married sister having an affair with his best friend. Instead of being shamed or apologetic, she asked him for help finding someone who could impregnate her.
After my son left home his younger sister told me how he had raped her two years before. Once that secret was out, she continuted to tell me what he and she had been doing since then.
At a farewell party for Joey, the six friends and their many exes and lovers become much more intimate together with help from a special amulet owned by Phoebe. Their lives will never be the same.