'Married at First Sight' season 3 episode 4 spoilers: Neil and Sam, David and Ashley struggle communicating; Vanessa attempts to forget about Tres's past

Now that they already exchanged vows with the strangers that science chose for them, the couples of "Married at First Sight" season 3 get to spend their first night as newlyweds and in the show's usual fashion, drama will abound.

In the previous episode, Samantha Role and Neil Bowlus spent a great day on a tropical island where they shared laughs, explored the waters and basked in the weather together.

Everything appeared to be going smooth but when night crept in, things took a bad turn when Sam revealed that she is not physically attracted to her husband. Neil was understandably shocked but it does not look like he is stopping there.

But if the synopsis for the next "Married at First Sight" season 3 episode is any indication, this bombshell will still cause some tension between them. The summary suggests that the pair will show their first signs of struggles in communicating and telling each other how they feel.

Meanwhile, couple David Norton and Ashley Doherty are in the same dilemma come "Married at First Sight" season 3 episode 4. When they were at the altar, the latter was extremely anxious. Later on, it was revealed that Ashley was not attracted to her then-husband-to-be.

But it looks like she's giving the marriage another shot. However, for it to work, she has to be open to David. In the show's next installment, the account executive will attempt to encourage his wife to be comfortable in talking things out. 

Doing great so far are in "Married at First Sight" season 3 are Vanessa Nelson and Tres Russell. During their wedding, the latter formally proposed to the former to make the event feel sincere. At the beach resort where they stayed as a married couple, they held hands and genuinely enjoyed themselves.

They were on a roll until Tres confessed his past as a playboy. In the next episode of the series, this confession will still resonate with Vanessa and developed in her fears about pushing through. Episode 4 will see her try to overcome this fear for their relationship to survive.

"Married at First Sight" season 3 episode 4 "Honeymoons" will air Dec, 22 at 10 p.m. ET on FYI.