Classic public domain film, digitally preserved and free to stream forever.
Cause for Alarm! (1951) is a taut domestic thriller in which a bedridden and paranoid husband, convinced his wife is trying to kill him, mails a letter to the district attorney accusing her of plotting his murder — and then dies. The wife must race desperately to intercept the letter before it destroys her.
Starring Loretta Young, Barry Sullivan, and Bruce Cowling. This film is in the public domain and free to watch, download, and share.