I Hear Your Voice

Ten years after witnessing a hit-and-run murder as a child, Jang Hye Sung (Lee Bo Young) has become a self-centered public defender more focused on winning cases than justice. She encounters Park Soo Ha (Lee Jong Suk), a teenage boy with the ability to read minds, who has been searching for her since she testified to help convict the man who killed his father.

Soo Ha enrolls in the school where Hye Sung works part-time as a teacher, determined to stay close to her and protect her from Min Joon Gook, the murderer who has been released from prison. Hye Sung begins to realize that Soo Ha's mind-reading ability is real when he repeatedly demonstrates knowledge he couldn't otherwise have. Meanwhile, Min Joon Gook (Jung Woong In) resurfaces and begins stalking both Hye Sung and Soo Ha.

Hye Sung takes on a challenging case involving a deaf defendant accused of assault, using her wits and Soo Ha's mind-reading ability to uncover the truth in court. Prosecutor Cha Gwan Woo (Yoon Sang Hyun) clashes with Hye Sung professionally but begins showing signs of personal interest in her. Soo Ha's protective instincts toward Hye Sung intensify as Min Joon Gook's threatening presence grows closer.

Min Joon Gook makes direct contact with Hye Sung, making clear his intention to exact revenge on everyone who contributed to his imprisonment. Hye Sung begins to take the threat seriously and reluctantly accepts Soo Ha's help, as he is the only one who can read Joon Gook's murderous thoughts. Gwan Woo investigates the danger surrounding Hye Sung and starts to become more involved in her life.

Soo Ha moves into Hye Sung's home under the guise of being a tenant to protect her from Min Joon Gook, creating an awkward living arrangement that slowly brings them closer. Hye Sung handles a case that forces her to confront her own moral compromises as a public defender. The tension escalates when Min Joon Gook makes another threatening move, reminding everyone that his vendetta is far from over.

A dangerous confrontation occurs when Min Joon Gook gets dangerously close to Hye Sung, and Soo Ha must intervene to protect her, revealing the depth of his feelings for her. Hye Sung begins to see Soo Ha in a new light beyond his role as her protector, but struggles with the age difference between them. The legal cases continue to challenge Hye Sung's sense of justice and her evolving moral compass.

Soo Ha confesses his romantic feelings for Hye Sung, putting their complicated relationship at a crossroads as she grapples with his sincerity versus the inappropriateness of the age gap. A new case brings fresh moral dilemmas to the public defender's office, testing Hye Sung and Gwan Woo's working relationship. Min Joon Gook continues to execute his revenge plan methodically from the shadows.

Gwan Woo also confesses his feelings for Hye Sung, setting up a love triangle that complicates her already chaotic life. Soo Ha's mind-reading ability proves crucial in cracking a difficult court case, further cementing his usefulness to Hye Sung professionally. Min Joon Gook's plan takes a more concrete and terrifying shape as he begins targeting people directly connected to Hye Sung.

Min Joon Gook attacks and seriously injures someone close to Hye Sung, sending shockwaves through the group and escalating the threat to a critical level. Hye Sung is wracked with guilt, blaming herself for not taking action sooner to stop Joon Gook. Soo Ha's resolve to protect Hye Sung at any cost deepens, even as the emotional and physical danger around them intensifies.

Hye Sung's mother becomes a target of Min Joon Gook's revenge scheme, putting the family in grave danger and forcing Hye Sung to confront how personal the threat has become. The police and prosecutors scramble to build a case against Joon Gook but struggle to gather sufficient evidence to arrest him. Soo Ha uses his mind-reading ability desperately to anticipate Joon Gook's next move and keep Hye Sung's loved ones safe.

A devastating tragedy strikes when Min Joon Gook carries out a violent act that leaves Hye Sung and Soo Ha reeling with grief and guilt. The aftermath of the attack fundamentally changes the emotional landscape of the drama, pushing Soo Ha toward a dangerous confrontation with Joon Gook. Hye Sung must navigate her personal anguish while continuing to function as a public defender in court.

Soo Ha disappears after a violent confrontation with Min Joon Gook, leaving Hye Sung frantic with worry and guilt over his fate. Evidence surfaces that complicates the investigation into what happened between Soo Ha and Joon Gook, with conflicting accounts of who attacked whom. Hye Sung throws herself into uncovering the truth while the police treat Soo Ha as a suspect.

The drama jumps forward in time as the characters try to rebuild their lives following the traumatic events, with Soo Ha now working to clear his name and find his place in the world. Hye Sung has become a more hardened and dedicated defender of justice, shaped by everything she has endured. The unresolved tension between Hye Sung and Soo Ha resurfaces as their paths cross again in the courtroom.

Soo Ha and Hye Sung work together again on a high-stakes legal case that forces them to reconnect emotionally and professionally. New revelations about Min Joon Gook's past and current whereabouts suggest that the danger is not truly over, and that he may resurface to finish what he started. The romantic tension between Hye Sung and Soo Ha reaches a new peak as both acknowledge their true feelings.

Min Joon Gook re-emerges with a terrifying new plan of revenge, proving that his obsession with punishing Hye Sung and Soo Ha has only grown stronger during his absence. The entire group is placed in immediate danger, and the race to stop Joon Gook before he strikes again becomes desperate. Hye Sung and Soo Ha must confront both the external threat and their feelings for each other as everything comes to a head.

The confrontation with Min Joon Gook reaches a climactic and violent peak, with Soo Ha putting himself in danger to protect Hye Sung from the man who has haunted both their lives. Legal and moral questions about justice, revenge, and redemption are brought to the forefront as the outcome of the final clash with Joon Gook unfolds. The aftermath leaves the characters processing trauma and beginning to imagine a future without the shadow of Joon Gook looming over them.

With Min Joon Gook's threat finally resolved, Hye Sung and Soo Ha begin the process of healing and figuring out what their relationship looks like beyond crisis and survival. The episode explores the aftermath for all the supporting characters, including Gwan Woo's graceful acceptance of Hye Sung's choice. Hye Sung reflects on her journey from a self-serving lawyer to a woman of genuine conviction, compassion, and love.

In the heartfelt series finale, Hye Sung and Soo Ha officially begin their relationship, with the age difference no longer serving as a barrier between them. The episode wraps up the storylines of the ensemble cast, offering satisfying conclusions to Gwan Woo's career path and the other public defenders' arcs. Hye Sung and Soo Ha look toward a hopeful future together, their bond forged through years of shared danger, loss, and unwavering loyalty to one another.