We are invisible: we clean your houses, we look after your children, we know your secrets.But now you know one of ours...Rules for being a maid:* No smoking* No boyfriends* No visitors* And most importantly: be invisible...Corazon, Angel and Donita have all come to Singapore to work for a living. The thing that unites them? Their labour must remain unseen.But when a friend is accused of murdering her employer, everything changes...