Viewers have seen somebizarre plotlines on “Days of Our Lives"over the years.
Of course, longtime fans of the show have their favorite storylines.
Popular plots include the longtime feud between the Bradys and DiMeras,Dr.

A vessel fell from the sky, and inside were two young adults dressed in futuristic-looking metallic outfits.
The duo was dubbed The Gemini Twins, and they were unable to communicate.
The two were given the names Rex and Cassie, but their background remained a total mystery.

However, that wasn’t the case at all.
What happened to Rex and Cassie?
The DiMeras had genetically engineered the twins, and Marlena Evans (Deidre Hall) was their surrogate.

So, while Marlena did give birth to them, they are members of the Brady family tree.
Rex and Cassie began to bond with their parents and eventually established a relationship with them.
Rex began dating Mimi Lockhart (Farah Fath) before leaving Salem in 2005.
He currently pops in and out of Salem.
After being rescued, she left Salem with her brother in 2005 and has yet to return.
After all, The Gemini Twins were one of the most mysterious soap storylines to ever reach the airwaves.