第2話: 古き邸宅で奇妙な失踪事件が相次ぐ中、ルパンは斎藤家の婿養子として暮らしていた。

2

Lupin lived as a son-in-law with the Saito family, an opinion leader in the region that continued from the Jomon period. The Saito family had an anomaly where everything in the house began to disappear, but the owner eventually wanted Lupin to take over the house... (Source: Lupin III Wiki)