For the past several years, the "Heart Eyes Killer" has wreaked havoc on Valentine's Day by stalking and murdering romantic couples. This Valentine's Day, no couple is safe. Starring: Mason Gooding, Devon Sawa, and Olivia Holt Directed by: Josh Ruben Written by: Phillip Murphy, Christopher Landon, and Michael Kennedy Check out the video above and find out how many pools of blood it received…