Vianne, female CEO of a tech firm, is targeted in a string of successive attacks. Jack, a mysterious bodyguard, bursts into her life. From protecting her through life-or-death crises to fighting side by side against corporate conspiracies, the two individuals used to handling everything alone grow closer amid repeated dangers. When love and revenge spiral out of control at the same time, they must decide whom to trust, and how far they are willing to go for each other.