Diligent and steadfast Wang Weiguo experiences a job adjustment, changing his profession to engage in delivery work. Facing the consumption trap deliberately set by his former colleague, he is meticulous in his handling of affairs, carefully detects and completely preserves relevant vouchers. Facing untrue remarks from others, Wang Weiguo submits monitoring materials in accordance with regulations to cooperate with verification, lawfully safeguarding his own rights and interests. Relying on his upright character and steady handling ability, he returns to his original company to take office, steadily promoted in his position, and harvests a brand-new growth in his career.