- Main article: BioShock Infinite
Upon first entering the Plaza of Zeal, Booker DeWitt and Elizabeth will find many areas closed off. This includes the clock shop. However, with the use of three Lockpicks, Elizabeth can gain access to the place. Inside is a Lockpick and one of the messages written in the Vox Cipher.
Elizabeth suggests searching the impound beneath the Good Time Club for the needed Code Book. Once it's found, the big clock on the wall must be set to 12:00. The hidden cache contains an Infusion, a Locksmith Bag, a Voxophone, and a Volley Gun.