The troubled saga of Tom and Liz Keen will take an unexpected turn when wedding bells start to toll on The Blacklist.

Liz Keen To Make A Life Changing Discovery During 'Ivan' On 'The Blacklist', What Is It?

The embattled, secretive, and untrusting couple will move to renew their marriage vows before the season's end, according to E!.

Although the FBI cleared Tom (Ryan Eggold) of any criminal activity earlier in the season, the seemingly innocuous schoolteacher showed his true colors during "The Judge" and "Mako Tanida." Unfortunately for Liz (Megan Boone), she isn't privy to the omniscient view of the audience.

Who Is Number One On Red's 'Blacklist'? When Will The Top Criminal Be Revealed?

While Liz is unaware of her hubby's true nature, the FBI profiler will continue to dig into his life over the course of the next few episodes and will even question his alleged brother during "Milton Bobbit." Despite all of this, it appears Tom will try to continue his cover and Liz will seemingly continue to buy his lies.

Unfortunately - or fortunately- things are never as they seem on The Blacklist and writer's still have a wealth of back story to mine for Red (James Spader), Liz, and Tom.

"I think the exciting thing about Tom is there's a lot more to go. There are so many secrets on the show and there's a lot we're going to answer at the end of the season, but those answers lead to questions and further avenues to go down," Eggold explained on the March 24 edition of Today. "What I love about it is you have everything on the surface and you introduce all these characters, but then you go, 'Wait, he has a secret,' 'Oh wait, she's lying.' And all these layers we can continue to pull back is what I think is interesting about it."

Find out more when The Blacklist airs Mondays at 10 p.m. ET on NBC. Click the video below to see a preview of the series' next episode, "Ivan."

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The Blacklist, Nbc, Television