It eventually comes to light that her soon to be ex-husband has been having an affair with her best friend, and that they paid a man, Patrick, to pose as Angus in order to cause an already emotionally unstable Rachel to act crazy enough in public that, when they make her murder look like a suicide, no one will suspect foul play.

Just as Rachel is about to leave town, convinced that her dead son is trying to warn her that her life is in danger, she is drugged by Sharon and Brian and dumped into the sea, only to be saved when the keys to the chains she has been put into suddenly fall into the water and thus allow her to free herself and make her way to the lighthouse in an effort to seek some revenge.

[citation needed] The UK Premiere of Half Light took place on 18 June 2006 at the Ucheldre Arts Centre in Holyhead, Anglesey, Wales.

"[5] In his review for the BBC, critic Neil Smith wrote that the film was a "preposterous ghost yarn, which plays like an extended installment of Tales of the Unexpected set in a remote Scottish village so cliched it's practically Brigadoon," and had "a plot that's basically identical to that of recent supernatural stinker The Dark and you have a Half Light only halfwits will enjoy.

"[6] Writing for DVD Talk, Scott Weinberg described the film as "a thriller with no thrills, a drama with no drive, and a romance with no heart," adding that "asking a veteran actor [Moore] to pull off a role like this is like asking an old-school baker to make you one single cookie.