Grey Lady

Grey Lady is a 2015 American film directed by John Shea. The film centers on a Boston homicide detective, Doyle, who searches for clues about a serial killer that murdered both his sister and his partner. His search leads him to Nantucket where he uncovers secrets about his family's past. The film was shown at the Nantucket Film Festival in 2015, and was not widely seen until released direct-to-video and video on demand in 2017.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.