India, Aug. 22 -- Daniel Day-Lewis is back after eight years away from acting. The three-time Oscar winner stars in Anemone, a new drama directed by his son, Ronan Day-Lewis.

The first trailer dropped Thursday night. It shows a dark, tense story about fractured family ties, with stormy coastlines, dim rooms, and sharp exchanges between Day-Lewis' character Ray and his estranged brother.

The official synopsis of the film reads, "Bonded by a mysterious, complicated past, the men share a fraught, if occasionally tender relationship-one that was forever altered by shattering events decades earlier."

Sketches of people with Irish flags flash across the screen, hinting at deeper conflict. The script was co-written by father and son, adding t...