Episode 5 of Bad Memory Eraser delves deeper into the complex relationships and hidden truths surrounding our main characters. The episode begins with Gun, still under the influence of his false memories, mistakenly believing that Ju-yeon is trying to steal his suitcase. However, she clarifies that she's looking for his ID card to avoid causing him any inconvenience. His heart swells with joy as he realizes her genuine care for him.
Meanwhile, Shin is convinced that Sae-yan has romantic feelings for him, but she's actually trying to retrieve her bracelet from his car. Their misunderstanding leads to a growing tension between them. Ju-yeon, on the other hand, is grappling with her guilt as she knows she's destined to break Gun's heart. Her attempts to distance herself from him are hindered by his persistent affections.
At the hospital, Gun's plans to introduce Chairman Won as an investor are met with challenges. Won is a notoriously elusive figure, and his agent is known for his high standards. Sae-yan's arrival at the hospital leads to a confrontation with Ju-yeon over their dinner plans. Ju-yeon's belief that work and friendship are incompatible clashes with Sae-yan's emphasis on emotional connection.
Shin and Gun's search for Ju-yeon ends with Shin spending the night in Gun's room. As they reminisce about their childhood, Gun's memories of Shin's unwavering loyalty resurface. The revelation that Shin once harbored feelings for Gun creates a sense of complexity and tension in their relationship.
Sae-yan's gift of matching couple tees to Ju-yeon leads to a misunderstanding. Ju-yeon initially plans to give them to Tae-oh, but her plans are disrupted by Tae-oh's unexpected actions. Mrs. Lee's discovery of Shin's injured hands leads to a confrontation with Hong, who is revealed to have exploited Shin's circumstances for financial gain.
Shi-on's career is dealt a blow when her commercial is canceled due to her injury. Gun's unwavering support provides her with hope, but her mother's urgent financial needs create a sense of pressure. The trial test for Gun requires him to leave the hospital, and Ju-yeon accompanies him as his medical guardian. Their visit to a racetrack leads to a series of events that reveal their hidden talents and deepen their connection.
Ju-yeon's fabricated story about dating Tae-oh is exposed when Gun discovers the truth. Her heartbreak is compounded by Tae-oh's betrayal, and she seeks solace from Shin. Their growing bond is evident as they share moments of comfort and understanding.
Gun's confrontation with Tae-oh sets the stage for a conflict between the two men. Tae-oh's manipulative actions towards Ju-yeon are met with Gun's unwavering protection. Dr. Kim's decision to remove Ju-yeon from the research project due to her emotional involvement with Gun further complicates the situation.
As the episode concludes, Ju-yeon's realization of Gun's true feelings for her leads to a pivotal moment. Her decision to join Gun's agency as the team doctor signifies a new chapter in their relationship and a potential path towards healing.