The USS Goodell is about to be sank to become an artificial reef.

A newsman being taken on a tour of the Goodell stumbles over three bodies.

Vance offers Jessica the chance to become chief REACT training officer.

She's stunned and asks for some time. He gives her to the end of the day.

Jimmy is the last person to find out about Jessica's offered promotion.

Michael Chang, who is creating the reef, blamed the mob for dumping bodies there.

Edgar, the night security guard, shows up in blood-stained overalls.

He claims to have been gutting a deer in his yard when his call came in.

The bodies had to have been dropped during Edgar's lengthy bathroom break.

The victims are a construction worker, a teacher,. and a likely homeless man.

An upset Jimmy and Jessica discuss the possibility of a long-distance relationship.

The construction worker's wife mentions his bookie Sloppy Joe Sammy to McGee and Torres.

Parker and Jessica return to the ship to find a shiny object they missed the first time. It's a watch.

They hear a man and chase him, only to get locked in.

A large pipe falls on Parker and pins him. It's too big for them to move.

Sammy owed the victim money, not the other way around.

Kasie explains to Jimmy what he had done wrong.

She identifies the John Doe: Cedric Lee, who lived at a shelter.

Neither Jimmy nor Kasie can reach Jess, which worries him. They try Parker, with the same result.

They voice their concern to McGee and Torres and Tim can't ping their phones.

Jessica leverages a rope to get the pipe off Parker but his leg is bleeding. She tourniquets his leg with a belt.

Jess uncovers a hatch.

But the tunnel underneath is filled with water.

Nick and Tim find the crime scene and piece together that two of the victims were having an affair.

Parker is hallucinating and sees a little girl named Lily.

Parker's car is parked outside Sammy's house. Someone is trying to frame him.

Jessica jumps in and swims underwater. The safety rope she had around her leg slips off.

The construction worker's wife and her uncle were responsible for killing the three people.

He let slip that Parker and Jessica had gone back to the ship.

The rest of the team arrives as Jess struggles to open the other hatch.

They get the hatch open just in time to save Jessica, who has started to sink.

They get Parker to the hospital in time.

Jessica takes the REACT job.