Set against the backdrop of Riyadh's stark contrasts between hope and despair, Mandoob tells the poignant story of Fahad Algadaani, a man teetering on the edge of mental instability. Faced with his father's grave illness and mounting financial troubles, Fahad's struggle intensifies as he navigates a life of hardship. In a desperate bid for survival, he takes on the role of a delivery mandoob, leading him down a path filled with unforeseen challenges and opportunities that force him to confront both his vulnerabilities and the harsh realities of society.