Aug. 7 (UPI) -- Helen Mirren hides in a graveyard in a new trailer for The Thursday Murder Club, which arrives on Netflix on Aug. 28.

Mirren portrays Elizabeth, a retired spy, and member of the titular club.

Mirren, former psychiatrist Ibrahim (Ben KIngsley), ex-union activist Ron (Pierce Brosnan) and former nurse Joyce (Celia Imrie) solve cold cases in their spare time, until a murder prompts them to solve "a real case."

"What we need is a man, or a woman, on the inside," Ibrahim says in the trailer released Thursday.

Their interest in the case seems to put the group in danger, however.