USA's 'DIG' Spoilers: Will Jason Isaacs, Ori Pfeffer, Alison Sudol Discover "Prayer of David?" [WATCH]

The highly anticipated thriller from by Tim Kring (Heroes) and Gideon Raff (Homeland), DIG, continues on USA Network. In episode 4, will FBI agents Peter Connelly (Jason Isaacs), detective Golan Cohen (Ori Pfeffer) what happened to Emma Wilson (Alison Sudol) in 'Prayer of David?"

As we previously mentioned, agent Peter Connelly (Isaacs) found himself skinny-dipping with Emma (Sudol) until their flirtation was interrupted by a sacrificial ceremony. The next morning, Peter discovered Emma had been murdered that same night. Though they are working together to find Emma's killer, Golan believes Peter is his number one suspect in the case. Elsewhere in the states, a deadly religious cult is recreating clones and getting rid of the "bad ones."

In our recent recap, Peter and Golan continued their investigation, which led them to a door guarded by an extremist group, who are obsessed with the Ark of the Covenant. Peter though doesn't realize Ambassador Ruth Ridell (Regina Taylor) is part of the apocalyptic conspiracy. After fighting the assassin Fay (Angela Bettis) to save Josh, Debbie (Lauren Ambrose) ended right back in the evil hands of Pastor Tad Billingham (David Costabile).

According to IMDB, the plot centers on Peter's ongoing obsession with Emma's murder. The investigation will lead him directly to an ancient coded secret.

We previously mentioned, viewers are just two episodes from a major plot twist. The Harry Potter actor revealed to Entertainment Weekly, "By the end of episode six, there's a surprise so shocking that you might want to go back and watch the previous episodes-re-watch them through the prism of what you now know."

Check out Inside the Episode: Episode 3 here:

Don't forget to check out the MStars interview series with the DIG cast, including Ori Pfeffer, Alison Sudol, David Costabile, and Jason Isaacs.

DIG continues on USA Network on Thursdays at 10 pm.

Readers, are you excited to see what happens in Prayer of David?