Ting-tong 1963

Chandra is on an undercover mission to track down on the man who has been writing mysterious love letters from an ancient typewriter model called the 'Ting-Tong 1963'. Disguised as representatives from the London museum, Chandra and her team arrive to catch a man selling a 'Ting-Tong 1963', but end up with the wrong man and the wrong model. What will they do now?