Hee-ran was a karaoke mistress when she first met Se-min through a marriageconsultant company. He suggests they should have a contract marriage; she wouldget paid every month for being his wife and Se-gyu's mother. Hee-ran thinksthis is a good deal but unlike her thoughts, being married is boring. Se-minonly needs her at night and Se-gyu has a crush on Hee-ran who is like an oldersister but hides it by being nasty. One day, Hee-ran meets Se-min's friendTae-yeong and falls for him. In the end, Hee-ran and Se-min break up...
