Rui used to be a singer, but now works at a bar. She then meets successful idol singer Momoko, but, by accident, Rui kills Momoko and her colleagues. To create an alibi, Rui puts together an idol group.
Eun-Jin (Gang Ye-Won) has failed in love 6 times. She struggles now to find her seventh love. Hyeon-Suk (Song Sae-Byeok), who is not interested in love or marriage, is her seventh love. Considering that her seventh love is her last, she tries her best.
23 people participate in a game of psychological warfare in which they wear a special device called “SCM” which can be used to turn other players into their slaves. Eia Arakawa is a girl with a cold personality who dabbles in various romances without taking anything too seriously.