Thrilled that she has dozens of replies from her on-line dating site George joins Jack in investigating an armed robbery at the Poynter family's jewellers. A valuable diamond has been stolen but patriarch Ron Poynter is reluctant to involve the law,despite evidence suggesting an inside job. Tony however points the detectives towards a known gang of robbers whose den they raid,learning that a member of the Poynter family indeed contacted them to rob the shop. George and Jack must find out which one. Jack is also asked to be best man at his sarcastic,surgeon brother's wedding but old fraternal animosity surfaces,leading George to give up the Internet dating to console Jack and accompany him to the wedding.