Season 1

Yoo Jung is imprisoned for a crime she didn't commit and she's got a prosecutor's fiancée who isn't helpful after running over an innocent woman.

Min Hyuk's girlfriend couldn't be saved, which leads him to insanity. Yoo Jung fights for her innocence against charges and learn more about Ji Hee.

Min Hyuk challenges Do Hoon to practice lawfully in his girlfriend's case, as he is challenged by his father to win Se Yeon's heart.

Yoo Jung faces problems as she delivers her baby in prison, making Do Hoon rethink what he's done to Yoo Jung's life, and Min Hyuk pays her a visit.

The freedom she deserves is finally back to Yoo Jung. Unfortunately, her release costs her more than she expects.

Jung Hwan's death still haunts Yoo Jung emotionally. Min Hyuk's father is hesitant about a deal Min Hyuk plans on signing with Se Yeon.

After Min Hyuk saves Yoo Jung's life, Se Yeon scolds him for being childish by pouring his anger on others. Do Hoon discovers a mysterious photo.

Yoo Jung is working for Min Hyuk to repay her debts. Do Hoon investigates the photo he found, and Min Hyuk faces a dismissal case he didn't expect.

As Min Hyuk is aware of Yoo Jung's relationships, Do Hoon begs her to stop paying the debts and stay away from the man who caused it all.

Min Hyuk ends it all with Se Yeon and further gives Yoo Jung struggles as his new housemaid. Yoo Jung finds something new about her dad and Min Hyuk.

Do Hoon meets up with Se Yeon late at night, while Min Hyuk admits his side of the story with Yoo Jung's father, leading them in different directions.

Do Hoon catches Yoo Jung with Min Hyuk in a steamy encounter. More things change as the tensions heat up between Yoo Jung, Min Hyuk, and Do Hoon.

Min Hyuk and Yoo Jung's kiss breaks Se Yeon's heart. Do Hoon is there for Se Yeon as Min Hyuk falls in love, leaving Yoo Jung confused.

Min Hyuk and Yoo Jung visit Ji Hee's remains. He promises never to leave Yoo Jung behind, as he falls deeper in love with her, which displeases many.

Do Hoon asserts that he is the only one who can protect Yoo Jung after confronting Min Hyuk. Se Yeon makes Do Hoon choose whether to live or crumble.

Proof of Jung Hwan's life emerges, which changes the direction of their fate as a family, and Min Hyuk asks about a secret Yoo Jung doesn't reveal.

Seeing An still shaken after exiting, Jin pretends to be his older brother to protect him.

Jin asks why An laughed at his words.

At university, An and Jin reunite with their old middle school friends, who question why they went to different high schools.

The friends suspect something between An and Tong, and ask about their relationship.

Seeing a close photo of An and Tong, Jin becomes jealous.

Believing An might be dating Tong, Jin tells him to stay away from him.

When An goes to the rooftop to inform Jin about attendance checks, he overhears Jin and his friends talking.

To side with Jin, his friends badmouth An in front of him.

After class, Jin says he has somewhere to go and sends An home first.

Following Jin, An sees him hugging someone else.

Upset, An drinks, and once again Jin climbs the terrace to see him.

Excited by An’s words the night before, Jin eagerly waits for him to wake up.

Seeing An act as if he forgot last night, Jin consults Ran.

Meeting Tong, An asks if he regrets following someone he loved into physical education studies.

Worried, Jin asks An whom he met after returning home late.

Gu Haowei scolds Jin after seeing his poor grades.

Concerned about Jin’s rebelliousness, his mother calls for An.

She asks An to talk with Jin.

Once again, An follows Jin after class to see where he goes.

At a bar, Jin tries to send An home, but An refuses.

Ran intervenes when he sees An and Jin fighting.

After An skips going home even after his performance, Jin scolds him.

Someone tells An that Jin and Ran are dating, shocking him.

Heartbroken, An drinks the alcohol given to him by someone.

Jin carries the drunken An to his room. An wakes up.

Still drunk, An says something unexpected to Jin.

An wakes up to find Jin sleeping beside him, being unusually gentle.

Gu Haowei sees an article about Jin and Ran’s scandal and asks if it’s true.

Learning that An likes men, Gu Haowei is shocked.

Jin realizes An’s confession wasn’t about him.

Learning that An likes Tong, Jin is consumed by jealousy.

Overwhelmed by jealousy, Jin makes a wrong choice.

Guilt-ridden for hurting An, Jin plans to leave home again.

At his mother’s request, An stops Jin from leaving and persuades him.

An tells Gu Haowei he wants independence, but Gu Haowei tries to hold him back.

Gu Haowei reveals the truth about the elevator accident.

Shocked, An is told by Gu Haowei he will give him anything he wants.

An and Jin move into the dorms. An urges Jin to return home.

When An says he will sever ties with Jin’s family, Jin tells him to take revenge on them.

Jin confesses his long-hidden feelings for An.

Moved, An confesses his own feelings to Jin.

The two confirm their love and share a sweet morning together.

Now closer than before, An and Jin happily share meals at school.

Their friends notice how different they’ve become.

Realizing he wrongly doubted An and Tong, Jin feels guilty.

Haunted by past trauma, An struggles with intimacy with Jin.

An wonders whether to attend Gu Haowei’s birthday party.

An’s uncle visits and reveals the truth about the elevator accident.

He says Gu Haowei adopted An as part of a deal.

An suffers at the thought that Gu Haowei may have killed his parents.

An confronts Gu Haowei, telling him his uncle came.

An suddenly leaves, and Jin asks his mother what happened.

An asks Jin to hold him.

An tells Jin to go back home.

An meets his uncle and asks for CCTV footage.

His uncle tells him to obtain ownership of Happy Group from Jin’s mother.

Friends notice Jin and An sitting separately in class and ask if something happened.

Jin demands to know why An is acting so differently.

His uncle gives An CCTV footage and tells him to use it to pressure Jin’s mother.

An runs away with his uncle’s evidence.

After a car accident, An is hospitalized. Jin asks why he has been acting that way.

An tells Jin about his conversation with Jin’s mother on Gu Haowei’s birthday.

Jin tells Gu Haowei that he loves An.

Four years later, Jin returns from the U.S., and An greets him at the airport.

Jin and An visit An’s parents’ graves together.