Four female friends reunite after 15 years and old resentments resurface. Soon afterwards, one of them is found dead. The police tries to determine whether it was suicide or murder.
Commercial director Sang-Hee (Joo Sang-Wook) only pursues financial success and fulfilling his own desires. He has sex with actresses simply by using his power. He then marries a woman, whom he does not love, to become the successor to her family's business. Sang-Hee's plan has worked well and he is now ready to takeover his in-law's company. On the day before his inauguration, Sang-Hee meets Hye-Ri (Jang Mi In Nae) and has sex with her. On his way home after their intimate encounter, Sang-Hee receives a phone call from Hye-Ri. She then orders Sang-Hee to follow her commands for the next 90 minutes or she'll upload their sex video to the internet.Sang-Hee then becomes the primary suspect in an attempted murder case.
Ли Хан-гю, агент Национальной службы разведки, выслеживает Тень, убийцу из Северной Кореи, который охотится на изменников родины. Сон Джи-вон, контактное лицо Тени, отправляется с ним на очередную миссию. Но операция проваливается и для шпионов с Севера, и для НСР: Сон Джи-вона подозревают в предательстве и вынуждают скрыться, а Ли Хан-гю увольняют за самоуправство и провал задания. Однако через несколько лет случай вновь сводит их вместе, когда один уже не шпион, а другой — не разведчик.
