'Married at First Sight' couple splits after husband allegedly threatens to kill wife

by INSIDE EDITION staff

It's one of the most controversial reality TV shows ever. "Married at First Sight" features couples getting married after meeting for the first time at the altar.

"Two strangers marrying each other. It's nuts," said contestant Ryan De Nino.

Read: Couple Marries in Wettest Wedding Ever

In the case of Jessica Castro and De Nino, the honeymoon has ended -- very quickly.

Six months after they said "I do," Castro has obtained a restraining order against her husband, reportedly accusing him of threatening and menacing behavior, even allegedly telling Castro, "I plan on killing you and your family."

Read: A Dad with Heart Failure Travels Cross-Country to Surprise His Daughter For Her Wedding

De Nino posted a photo on Instagramof what appears to be the restraining order taken out against him.

The estranged couple has a court date next month.