在纽约出现了一只神秘的数码兽，他利用自己特殊的力量将太一、阿和、阿空、光子郎、美美、阿丈带到了一个陌生的世界。同时，在纽约的八神光和高石武发现了这只数码兽，并且看到一个美国小孩与数码兽对话之后逃走的情况。巴达兽悄悄地尾随其后，得知这个小孩要去一个叫“花场”的地方寻找“夏天的回忆”。大家赶至那里。 收到小光的电子邮件的大辅他们马上坐飞机来到了美国......
After the events of Star Wars: Episode IX - The Rise of Skywalker (2019), Poe Dameron and BB-8 must make an emergency landing on the volcanic planet Mustafar where they meet the greedy and conniving Graballa the Hutt. The crime boss has purchased Darth Vader's castle and is renovating it into the galaxy's first all-inclusive Sith-inspired luxury hotel. While waiting for his X-Wing to be repaired, Poe, BB-8, Graballa, and Dean (a plucky and courageous young boy who works as Graballa's mechanic) venture deep into the mysterious castle with Vader's loyal servant, Vaneé.
