Gyeong-ah works as a caregiver and lives alone. The only one she can rely on is her daughter, Yeon-su, but it's hard to see her after she moved out on her own. Meanwhile, Yeon-su, who is suffering from her ex-boyfriend, Sang-hyun, argues with him again and visits her mother’s house. After Yeon-su left, Gyeong-ah receives a shocking message from a stranger.。亚当对爱情过敏,却莫名其妙的和老板的女儿和自己的初恋订了婚,他要努力守住秘密,隐瞒自己的双重生活。。