Jiri Mountain is completely off-limits due to police search operations. Jeong-ok, along with other tourists on a cultural tour of Jiri Mountain, escapes the attention of the police and enters Jiri Mountain on a remote road. Jae-won, who follows this kind of Jeong-ok. Jeong-ok and Jae-won chase after each other, going deeper and deeper into Jiri Mountain...

Shin-hye, Mi-yeon, and Hae-young are three vivacious women who help each other through the tangles of their romantic lives, from tentative first dates to Viagra-taking husbands and one-night stands. Being 40 proves that they're not past their prime.

A married couple who received a divorce settlement lose their memories in an accident. With amnesia, they fall in love again, so their families try to restore their memories to finalize the divorce.

A loan shark is forced to reconsider his violent lifestyle after the arrival of a mysterious woman claiming to be his long-lost mother.

TV commercial director Kim In's dream is to become a film director. Writer Baek Jang-mi's dream is to build a surprise culture center for young people. The two join forces to make a movie of her best selling book 'The Children of Surprise Neighborhood' and Young-wook and Jeol-gu come to support them. Meanwhile, Young-wook's father, who suffers a stroke after becoming an instant millionaire after real estate speculation, gives the land to Young-wook for the surprise youth culture center. An underworld mobster kidnaps Young-wook's father to get the land but Kim In and Jeol-gu rescue him bringing them one step closer to their dream.

Ja-yoon is a high school student who struggles with memory loss after she endured some unknown trauma during her childhood. While trying to uncover the truth, she is unwittingly dragged into a world of crime and finds herself on a journey that will awaken many secrets hidden deep within.

An orphaned boy falls in love with and writes anonymous letters a to 30-year old woman because she reminds him of his mother.

An aspiring singer Sun-deok is visited by her mother, whom she hasn’t spoken to in years. The abrupt encounter leads to the news of her younger sister Yuri, who had vanished with their savings. The mother-daughter team is now hunting for the missing girl and their money, poking around in Itaewon, the international hub of Seoul. Little do they know that soon they will be faced with Yuri’s unlikely secrets.