Financial lawyer Chen Yan accompanies his father, recovering from laryngeal cancer surgery, to withdraw money at the bank. A foreign VIP cuts the line improperly, and bank staff treat them harshly, causing his father’s surgical wound to rupture and be hospitalized. Chen Yan collects evidence professionally to defend their rights. He resists inducements, false accusations and harassment from the bank. Following the clues, he uncovers an illegal foreign exchange chain involving a foreign businessman and corrupt bank insiders. Finally, he assists regulators and police in closing the case, safeguarding fair rights for ordinary depositors.