Perfect Family

A new transfer student arrives at Yunil High School. She is none other than Lee Su Yeon, Choi Sun Hui’s best friend from childhood. The two have led vastly different lives over the past ten years, and Su Yeon reveals a secret to Sun Hui, who is shocked to hear what has happened to her best friend.

Su Yeon is pained by the fact that Gyeong Ho has feelings for Sun Hui, and as he prepares to tell Sun Hui about it, he ends up getting killed. Sun Hui confesses to her mother that she may have killed someone and wants to turn herself in. However, her mother has other plans in mind.

Sun Hee is shocked to find her belongings back in her room. Su Yeon arrives, demanding Sun Hee surrender. Sun Hee refuses, and Su Yeon disappears. Police question Gyeong Ho's friends, discovering stab wounds as the possible cause of death.

After the encounter with her dad’s strange relative, Sun Hee becomes determined to find out more about her family. With Hyeon Woo’s help, she sets out to uncover the mysteries of her family. Sun Hee’s parents try to stop their daughter from digging up too much.

Sun Hee grows more suspicious of her family after a van tries to hit her. She is told about the boy in the picture, and the man who introduced himself as her dad’s relative turns out to be a police officer.

Sun Hee is shocked that her family bought peanut powder, which she is severely allergic to. After running away from home and asking Hyeon Woo for help, Sun Hee gets in a car accident and starts to panic, fearing that her parents want to kill her.

Jin Hyuk is arrested and interrogated by the police after evidence was found in his car. However, he is set free as Su Yeon is seen again. Meanwhile, Sun Hui, Su Yeon, and Hyun Min find themselves in trouble as a hostage situation takes place and Sun Hui’s place catches on fire.

Sun Hee is held by Hyun Min as he negotiates a deal with Jin Hyuk. While she is with Hyun Min, she learns that he wasn’t really a detective as he has claimed to be. While Sun Hee learns more about her and Hyun Min’s past, Jin Hyuk and Eun Ju tell the police about what has taken place.

Sun Hee finds out the truth behind her adoption. Hyun Min sees Jin Hyuk and Eun Ju to tell them what exactly happened on the day Gyeong Ho’s house was set on fire. The day Jin Hyuk met Hyun Min for the first time gets revealed, and Hyun Min’s true intention comes to light

Hyun Min approaches Jin Hyuk with ill intentions and arouses his sympathy. With his help, Hyun Min sells insurance to Jin Hyuk’s family and colleagues. However, he uses up all the money on horse race betting. In the end, Hyun Min decides to kill Sun Hee to get the money from her life insurance

Jin Hyuk arrests Hyun Min for impersonating him as a prosecutor. Hyun Min threatens Jin Hyuk to save him unless he wants to see Sang Ho dead. A fire breaks out at Hyun Min’s paint store where Sang Ho is, but he doesn’t make it out alive

After getting rid of her biological dad, Sun Hee moves to Canada. Su Yeon gets released from prison after serving her sentence. Sun Hee returns to her parents, hoping they’ll accept her as their daughter again.