One Piece: Heart of Gold is a special anime that premiered in summer 2016, produced by Toei Animation.

About the production: the story comes from a manga, there is 1 episode of about 104 minutes and its current status is "finished".

Its main genres are action, adventure, comedy, drama and fantasy, with themes such as Shounen, Pirates, Male Protagonist and Super Power.

On AniList, One Piece: Heart of Gold has an average score of 73%, a good score, and appears on 23,855 users' lists.

The franchise continues in or follows from: ONE PIECE FILM: GOLD - episode 0 711ver. and ONE PIECE FILM: GOLD.

The Straw Hat Pirates meet Olga, a girl who has escaped the island Alchemi. Alchemi was known for its metal production, and for the creation of the extremely valuable Pure Gold, but the island disappeared two hundred years ago. Olga is now being pursued by Marines, interested in Pure Gold. Gildo Tesoro, who controls the Navy HQ and black market, hears of Olga and hires treasure hunter Mad Treasure to track her down. The Straw Hats join forces with Olga in search of the Pure Gold, while she plots to takes advantage of them and use the treasure to become rich herself.

Official synopsis from AniList.