Shirley向大眾宣布結婚，阿信成功遊說Shirley成為Paypayduck第一個用戶。婚禮正籌備得如火如荼之際，阿信卻遇見Shirley丈夫出軌！阿信陷入在道德與理智的掙扎，最後的決定更令PayPayDuck遇到史上最大的難題！而兼任大學講師的Kenneth亦被學生Jayden（魏浚笙 飾）投訴，遇到被解僱的危機！
Nim Shun comes up with a new idea for PayPayDuck and decides to get Shirley to try it out for her wedding. After numerous attempts, the team releases the application and sends out the wedding invitations, which leads to a disaster. Meanwhile, Kenneth gets creative in solving his problem at college when he is suddenly suspended from work.
