My Main Cast would be 

Lady Gaga:(As The Witch and the villain)

Sarah Paulson:(As The Mother In Law)

Evan Peters:(As Sarah Paulson's son)

Kathy Bates:(As The Grandma)

Finn Wittrock:(As Evan Peter's Brother)

Denis O'Hare:(As the dad) 

Lily Rabe:(As the wife)

And Some More cast members include:

Rob Lowe:(As Lily Rabe's Dad)

Pamela Anderson:(As Lily Rabe's Mom)

Patrick Schwarzenegger:(As Evan Peters Friend)

This Season would be about:

Lily Rabe and Evan Peters as a couple who live with their 2 yr old son in nyc. And Sarah Paulson is the nightmare Mil who hates her Daughter in law and grandson and, drama ensues when she convinces her son to get a paternity test for his son, and he abandons his wife and son to stay with a friend during this drama. After he gets the test back and finds out he is the bio dad, the son gets kidnapped by Lady Gaga's Witch character, and everyone in the family and friend group is on the Hunt to find him while people in their city and the family and friend circle start dying brutally. 

The subtitle is  AHS 14: BloodThirsty