Throw Momma From the Train

It turns out that even such different people can have something in common. The unifying motive is the desire to get rid of a loved one, and in the most effective way possible. One wants to kill his ex-wife, who still manages to make his life a living hell, while the other dreams of a free, joyful life, destined to be dashed by his violent, domineering mother, who continues to bully her son, oblivious to his already advanced age. They believe that in such a situation, the best way to avoid punishment is to swap murders...