‘Hawaii Five-0’ Season 6 Spoilers: Clay Walker Details Wife’s Murder As Grover Gets Brutal

"Hawaii Five-0" season 6 spoilers reveal that Clay Walker will finally confess how he murdered his wife.

According to The Futon Critic, Lou Grover, played by Chi McBride, heads to Chicago to meet his former best friend and teammate whom he hasn't seen for a while.

The former SWAT operative will get Clay Walker's statement about how he murdered his wife. Mykelti Williamson returns on the show to reprise the role of Clay.

Christian Post added that the situation would be rough for Grover. The promo video for "Hawaii Five-0" season 6 episode 13 revealed some spoilers as it showed how agitated he was while he threw Clay to the wall. He then taped the legs of Walker, who was already in a pretty bad shape.

Meanwhile, Chin and Kono will be held at gun point by criminals who have no idea that the two are cops, TV Over Mind reported.

For the first time, "Hawaii Five-0" fans will see Grover in his most outrageous behavior, Christian Post noted.

Additional spoilers for "Hawaii Five-0" season 6 reveal that former "Vampire Diaries" and "Agent X" star Olga Fonda will appear in one of the series' episodes. Reportedly, she will play Anna Novik, a spy who is "rather ruthless when it comes to getting information in any way that she possibly can," according to TVLine,

In addition to the cast, actor Martin Starr also returns as Adam "Toast" Charles on season 6 episode 18.

"Toast is back for big case that requires his hacking skills," Peter M. Lenkov said per TVLine.

As for Danny, things are looking nice at the home front.

"It's a fun story that brings him closer together with his kids," Lenkov said in a new interview with TVLine, Carter Matt reported.

"Danny and his kids spend a quality day, and their car gets stolen & they chase it. However, they are not really in danger."