Kim Mu-hyuk, the grandson of the Loan Shark King Cheon Tae-san, whom even the wealthy elites of South Korea bowed to, strives to be recognized as a member of the Cheon Family. Despite his efforts, Mu-Hyuk is betrayed and killed by his uncles in a vicious struggle over his grandfather’s inheritance. However, instead of dying, he wakes up in the 1990’s, with a second chance to rewrite his fate. Determined to prevent the death of his grandmother, who raised him, and reclaim the legacy of the Cheon family, Mu-hyuk sets out to preserve his severed friendships and take brutal revenge on his uncles and anyone else who stands in his way. Will Kim Mu-hyuk, the grandson of the loan shark king be able to ascend to the throne of the ruthless Loan Shark Empire, feared by even gangsters?