From the past and present to the future

Set right after Manga chapter 1043 and anime episode 97. An experiment gone wrong brought them far away from Wano and Alabasta. Luffy and Tama don't know how to cope with a younger and very much alive Ace. Everyone's else is either very injured or very confused by the whole situation. Soon they'll discover where they are but it won't be enoguh: they need to stop that person...