An ordinary family navigates the unpredictable circumstances caused by a mysterious phone call that puts them in a horrific situation.

Oh Hyun-Jae used to be a top criminal profiler. He solved many cases with his skills, but an explosion, caused by a serial killer, ended the life of his fiancé. After the horrific incident, Oh Hyun-Jae vanished and he now lives in seclusion. Meanwhile, Cha Soo-Young is police officer in a rural area. She has a special ability, which allows her to remember everything that she saw. Due to her special ability, she is selected as a rookie detective who will partner with Oh Hyun-Jae informally.

Jung Young Jae is a promising young surgeon, but her cheerful demeanor hides a childhood trauma. The pair are both drawn to a mystical forest in Korea's countryside.

Yoon So-So works as a travel guide in France. She leads a group of tourists on a package tour. The travelers all have their own stories. San Ma-Roo joined the tour after being dumped by his girlfriend. Kim Gyung-Jae has been dating for the past 10 years. A mysterious man seems to follow Yoon So-So. Jung Yeon-Sung joined the package tour with a partner, but he will not reveal what kind of relationship they are in. Han So-Ran is a web designer and agonizes over staying single or marriage. Oh Gab-Soo is extremely stubborn. Han Book-Ja spent most of her life taking care of her husband. Na Hyun is a woman whom other people cannot guess her age. They all do not want to become involved in each other's personal lives, but, while they travel together, they become closer and develop relationships.

Lee Young-O is an excellent neurosurgeon with zero sympathy. One day, he becomes involved in bizarre patient deaths. He also falls in love and recovers his humanity.

Gi-joon starts an agency that helps people locate their long-lost first loves and Ji-woo becomes his first client. She is dragged there by her worried father, Captain SEO, who learns that she's still hung up on Kim Jung-wook, a man she fell in love with on her trip to India in her early 20s. To identify the face of Ji-woo's long-lost first love, the two travel all aro... Read all