‘M’, driven by the desire for a multimillion-dollar inheritance, puts aside his dreams as a hopeful game caster to care for his terminally ill grandmother. However, winning Grandma's favor is no easy feat. She proves to be a tough nut to crack - demanding, exacting, and exceedingly difficult to please. To add to the drama, he's not the only one gunning for the inheritance. M finds himself embroiled in a gripping competition, where he must go to great lengths to become the apple of Grandma's eye before time runs out, all in pursuit of a life-changing, multimillion-dollar inheritance.