A group of six people find out the joy and tribulations of not only sharing a house together, but also each other's partners!  When Chris starts getting bored with her boyfriend, Sander, she starts looking for someone else.  On the way home from work, she hitches a ride with Dennis.  Chris invites Dennis back to dinner in Sander's house.  The three of them get along quite well together and Dennis asks to spend the night.  Chris realizes that there is more to Dennis thatn what's between his ears, and later in the night goes to check him out!  Sander discovers that his girlfriend has slept with Dennis and does not seem that upset, especially when he meets Dennis' girlfriend, Jan.  And so the group begins living together and find that sharing can be fun!