Can you retrieve your heart when it is already hacked? Cian, the family's fiercely independent eldest daughter, believes that no one could ever infiltrate the barriers of her heart. But when Gaidon shows up in her life, he turns into the unforeseen hacker who deftly takes down each of her barriers one by one. Like a skilled hacker analyzing a complicated security system, Gaidon utilizes patience and perseverance to get beyond Cian's walls, exposing more and more weaknesses at each turn. Will Cian yield to Gaidon's infiltration of her heart, or will she fortify her defenses even further to keep love at bay?