While Rookie Blue’s Division 15 faces more than their share of drama in their personal lives, they are still trying to figure out who is behind the explosion that rocked their precinct in the ABC show’s fifth season finale.

WATCH: Andy & Sam Have Romantic Moment Before Being Rocked By Marlo’s Pregnancy

As viewers prepare for the highly anticipated sixth season, “There’s a mystery surrounding that explosion. Trying to find out what went down when that bomb went off,” said Enuka Okuma who plays Traci Nash.

The show’s creator, writer and executive producer Tassie Cameron also confirmed that someone inside of Division was involved.

‘Life Is Complicated’ For Divison 15 In ‘Rookie Blue’ Season 6

“We’ve had a few corrupt cops before. But not to this level.”

Still, they can’t ignore the issues that’s going on in their relationships. Andy and Sam’s relationship is in danger now that his ex, Marlo is back and pregnant with his child.

Actress Missy Peregrym, who plays Andy McNally, said that Andy definitely returns to the show with an amazing and positive outlook on her and Sam’s romance. After all they had finally gotten to a stable and good place in the final episode of season five. But little did they know that he was fathering a child.

Peregrym added, “It goes down pretty quickly.”

Cameron also said, “All Andy’s fantasies of building a fresh life with Sam; are they gonna go out the window? This is going to throw a real emotional wrench into that relationship.

Ben Bass, who portrays Sam Swarek said they could actually try to work things out. But Andy still feels like she doesn’t fit with Sam’s life anymore.

“I don’t know if I can do it.”

Check out the comments at the :43 mark below. Rookie Blue season 6 returns to ABC Thursday, June 25 at 10/9c.

Tags: Rookie Blue ABC television