The Seven Deadly Sins: Cursed by Light (劇場版 七つの大罪 光に呪われし者たち) is a 2021 Japanese animated fantasy action film based on The Seven Deadly Sins manga series written and illustrated by Nakaba Suzuki, and the second film for the series, following Prisoners of the Sky (2018). The film is directed by Takayuki Hamana, written by Rintarō Ikeda, and produced by Studio Deen. The film was released in Japan on July 2, 2021, and followed by its Netflix streaming debut on October 1, 2021.
The film takes place exactly halfway through the last episode of the fourth season and covers the manga's last chapter.
Plot
Six months have passed since the Seven Deadly Sins disbanded after defeating the Demon King and Cath Palug, the previous battle won at the cost of their comrade Escanor. Having left Liones with Elizabeth to visit the places she lived at in her previous lives before their coronation, Meliodas encounters his younger brother Zeldris and his beloved Gelda as they were on a similar journey before returning to the Demon Realm. The brothers then encounter a fatally wounded demon who reveals the Demon World was taken over by a fairy and a giant, the culprits revealed to be the missing Second Fairy King Dahlia and the "Giant Master Craftsman" Dubs who overpower the brothers before capturing Meliodas and Elizabeth.