Once a legendary detective and a new mom, Mi-young, now works a desk job. But when overenthusiastic newbie Ji-hye is assigned to Mi-young's civil complaints team, the two female cops get caught up in a serious criminal case that triggers an action-filled comedic investigation.

Laura is a victim of blackmail by her boyfriend, who has threatened to release their intimate photos. Desperate, she decides to take her own life but is saved by a boy who is on vacation with his friends. The boy offers emotional support to Laura and helps her through the difficult time, but nothing is as it seems, and Laura will have to come to terms with this shocking truth.

After getting dumped by her boyfriend Kentaro, Tomita Momo, who works at a library, suddenly discovers the existence of her ex-boyfriend's current girlfriend Riko through his social media. She is intrigued by Riko, who is the opposite of herself in terms of fashionable sophistication. For "a certain reason," she goes to see Riko in person. Momo confronts Riko and asks, "Do you know what revenge porn is?" And "I want to get back the secret photo data of the two of us that he took... Also, haven't you been taken as well...". An ex-girlfriend and a current girlfriend. Now that these two unlikely lovers have met, their "secret complicity" is about to begin.