"Sister Wives" season 7 is about the begin, showcasing another round of emotional roller coaster in the lives of Kody Brown and his wives and numerous children.

In a trailer for season 7, viewers can see that the Brown household is bursting with excitement because of Maddie's upcoming revelation. This appears to be a cause of celebration for the family, which has been going through a lot of struggles due to the events that happened in their lives.

Some of the numerous difficulties that the reality show family is facing are also seen in the trailer. It includes the mother-daughter drama involving Kody's first and former legal wife Meri and their only daughter Mariah. Based on the trailer, Mariah is not comfortable talking about her mother when she asked her if she is okay and if things between them are okay.

The trailer also teases the growing problem between Kody and the rest of his wives. In a sit-down discussion, the polygamous family is seen talking about their issues face to face.

"There were times that I was angry with you Kody. I am not going to lie, I was angry with you," Meri tells the Brown patriarch.

Meri is not the only one who has an issue with Kody. According to Janelle, the mother of six of Kody's children, reveals that there is manipulation happening inside the family.

Also, the family is gearing up for the arrival of the newest member of their family as Kody's fourth and newest legal wife Robyn prepares to give birth. In the trailer, Robyn is seen in labor.

Meanwhile, Kody is reportedly facing a legal battle as he fights for his rights to live in a polygamous household in the state of Utah. According to reports, Kody was asked to testify in the 10^th US Circuit Court of Appeals in order to continue living with his four wives and their children.

"Sister Wives" season 7 premieres on Sunday, May 8, on TLC.