To make sure she came, he gave them a fu to stick onto the leg of her chair. The "suspect" did indeed agree to see him, and confessed the whole crime.
為了怕她不肯來，紅孩兒畫了一道符，交代貼在女行員椅腳下，結果這位「涉嫌人」果然應允前往，還老老實實和盤托出，表示因欠下大筆債務，才出此下策，冒領行內鉅款… …。