Lee Seung-joon as Chief medical officer.Park Hyuk-kwon as Colonel Choi, Jin-pyeong's office aide.Yoo Hae-jin as Im, the Renaissance Music Hall owner.On Joo-wan as Kyung Woo-jin, Ga-heun's husband.Jo Yeo-jeong as Lee Sook-jin, Jin-pyeong's wife.Song Seung-heon as Colonel Kim Jin-pyeong.On the back, a short phrase is written on it – “My Love”. Even though the affair was short, the polaroid captured a happy moment of the two ballroom dancing. In his dying moment, he reached out for a polaroid photograph of Ga-heun and himself. They tell her that Jin-pyong died on the battlefield, and give her one thing. Two years later, while attending an official party, a group of Special Unit men approach Ga-heun. He fails even that and leaves the base for Vietnam. He is devastated by her response and attempts to commit suicide. But she says she's not so in love with him that she's willing to give up her life. Jin-pyong pleases Ga-heun that he's willing to give up his army career for her. In a fit of rage for insulting his daughter, his father-in-law decides to send Jin-pyong back to Vietnam.
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He gets drunk by the end of the night, and not being able to contain his feelings any longer, he shouts why she had to leave him, completely exposing their secret affair to the entire army. Jin-pyong is surrounded by people congratulating him, but he can only scan the room for a glimpse of Ga-heun.
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Ga-heun and Woo-jin also attend the party. Jin-pyong is finally promoted to general, and a celebration party is held. It is a living hell to see Ga-heun giving him the cold shoulder, adding to the fact that she is so close by, being in the same base, and living next door to her. Jin-pyong has a hard time getting over her, and he schemes to falsely accuse Woo-jin for something he did not do, but the scheme does not work. He has no choice but to go along with her decision. Her mother-in-law raised Ga-heun when she lost her family as if she was one of her own children, and Ga-heun's guilt leads her to end her affair with Jin-pyong. As the two enjoy their secret love affair, Ga-heun receives a call that her mother is ill and immediately goes to the hospital and there they are met by Ga-heun's mother-in-law. Over time, their love for one another blossoms to maturity. Jin-pyong and Ga-heun meet in complete secrecy and share their own memories. She begins to develop cordial feelings for Jin-pyong for risking his own life to save her from the vicious attack.
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He saves her from the patient, but she gets shot in the process and is admitted to the hospital. A patient suffering from PTSD attacks Ga-heun, and Jin-pyong jumps in to help her. He is later invited to an event at an army hospital organized by the wives of commissioned officers, where they volunteer.
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He has never felt this emotion in his life and is confused by it. Jin-pyong encounters Ga-heun and instantly falls in love with her. One day, Captain Kyung Woo-jin is transferred to Jin-pyong's troop and he moves in next door with his wife Ga-heun. But his affection for his wife has subsided long ago, and due to post-traumatic disorder from the Vietnam War, he suffers mental breakdowns and nightmares of the fallen soldiers under his command. From his commander father-in-law to beautiful wife, Jin-pyong is the subject of much envy and jealousy. Decorated war hero Colonel Kim Jin-pyong is on the verge of his promotion to general.