A killer game of hide and seek.

Spoiler alert! We're discussing major details about the plot and ending of “Mothers’ Instinct” (in select theaters now; available Aug. 13 as video on demand). Some people would kill to be parents.

Mothers’ Instinct has one heck of an ending. Even though the movie begins with a bit of a fake-out, it’s a real bombshell. But what actually happens? Here’s a full explanation of the Mothers’ Instinct ...