He killed his sister-in-law from the start. Is this son-in-law of the Lu family trying to get himself killed?
His friend died saving him, leaving Su Mu severely injured and with most of his strength gone. A villain also framed him, ruining his reputation. To fulfill his friend's dying request, Su Mu spends three years caring for his friend's fiancée. When he sets out to find the Lu family, an unlikely twist leads him to assume his friend's identity and become the Lu family's live-in son-in-law.
But now, it seems Su Mu may be about to fail his friend's final request...
In everyone's eyes, Su Mu is a useless son-in-law. Yet as one unexpected incident after another unfolds, he manages to solve each problem when everyone else is at a loss. At the same time, one hidden mystery after another about him begins to unravel.
