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.

Ji-hae's friend is having problems expressing her feelings to the boy she loves, so she asks Ji-hae to write e-mails to him in her name. As the boy falls in love with her letters, Ji-hae discovers the story of her mother's romance which is remarkably similar to her own circumstances.

Cho-won is an autistic but happy young man who loves to draw zebras and run. His mother wants him to feel normal by accomplishing a feat that no one thought his son could achieve. With the help of a coach in exile, she trains him to become a marathon runner.

On the run from a dogged internal affairs agent, a corrupt cop reluctantly teams up with a defiant teen to unravel a conspiracy before it's too late.

Two women and a man find themselves mysteriously thrown together on one endless night in an isolated house in the middle of a forest.

Woo Yeong-min retired from the police force after trying to save his partner and causing his death. After a series of mysterious deaths in the shopping mall in which his uncle has allowed him to work as a security guard prior to its reopening, he must face both his own fear of mirrors and the mystery surrounding the fire that closed down the mall.

Bent on reclaiming a lighter which is his only possession, a broke man pursues the thief, who turns out to be a mob boss planning to hijack a train.