Do you love your partner enough to share them with someone else?

This is the question facing Laura when a group of close friends, all neighbours living on the same street, decide one night to put their keys in a bowl and swap partners.

No one is obliged to do anything but the rules state that what does happen remains under wraps.

Not everyone is keen on the idea, though Laura’s husband certainly is, but group pressure mixed with alcohol means they run with it.

This will set off a chain of jaw-dropping events that will change all their lives forever.