Alex saves a drunken heartbroken Louisa and on that hot night, for the first time, Alex falls in love. He is a mobster and a hard and dangerous life makes Alex choose to bury his love because he wants to protect Louisa. However, when Louisa's life is threatened because of the actions of her ex-boyfriend who turns out to be the son of Alex's arch enemy, he inevitably has to bring Louisa to live with him. The arrogant and cold attitude of the handsome mobster scares Louisa, but she has no choice because her evil ex-boyfriend keeps pestering her. Alex doesn't want Louisa to know his feelings and decides to build a fort in his heart, but Louisa, who slowly begins to love Alex, is determined to tear down the castle, even though she has to go through many dangers to be with Alex.
