Romantic comedy where the girl is secretly a killer/crazy

Office temp Charlotte Cantilini thinks she's found Mr. Right when she starts dating gorgeous surgeon Dr. Kevin Fields. But there's a problem standing in the way of everlasting bliss: Kevin's overbearing and controlling mother, Viola. Fearing she'll lose her son's affections forever, Viola decides to break up the happy couple by becoming the world's worst mother-in-law.

A young bride's wedding night turns into her worst nightmare when her ridiculously rich in-laws force her to play a gruesome game of hide-in-seek.

A game of hide and go seek takes a dark turn.

In 1800, as Napoleon Bonaparte rises to power in France, a rivalry erupts between Armand and Gabriel, two lieutenants in the French Army, over a perceived insult. For over a decade, they engage in a series of duels amidst larger conflicts, including the failed French invasion of Russia in 1812, and shifts in the political and social systems of Europe.

It's difficult to find love when you're a serial killer - when Charlie meets the girl of his dreams, he has to keep that slight flaw a secret from her. Will true love win the day? Or will she become another of his unwitting victims? Crazy For You is a romantic-comedy-horror for everyone who has skeletons in their closet - metaphorical or otherwise...

When a lonely serial killer ventures to find love on Halloween eve, she must find a suitor that will love her exactly for who she is before the night is over.

A deadly assassin tasked with killing her partner opts to save him instead.

A triad assassin is sent to kill a female witness to a murder only to fall in love with her instead.

A boy likes a girl and when he dates her he gets hunted down by a killer