The fifth season of NBC's "Grimm" debuted only at the tailend of November and already, with the series three episodes in, there has been no shortage of action, drama and revelations. Fortunately for the show's avid fans, the network has already released the synopsis of the upcoming episode titled "Maiden Quest." 

According to the summary as reported by The Futon Critic, Nick and Hank would be in pursuit of a wealthy mobster trying to marry off his daughter to one of three young men. In trying to find out which of the suitors is most worthy, bodies litter their quest.

"A wealthy mobster sets three young men on a quest to win his daughter Elena's hand in marriage and earn his fortune. As they work toward accomplishing their task, bodies start to pile up and Nick and Hank are on the case. Meanwhile, Adalind and Nick try to adjust to home life but a surprise visitor shakes things up." reads the synopsis. 

Elsewhere, the cast and crew of "Grimm" recently celebrated the wrap in the filming of their 100th episode. During the celebration, Norberto Barba, "Grimm" executive producer and director, revealed some details about what the 100th broadcast has in store for the show's fans.

In an exclusive interview with Blastr, Barba explained how the episode, which is scheduled to air in March 2016, will finally reveal what the mysterious keys are all about. According to the director, the secrets of the keys will definitely change the direction of the show. 

"Nick and Monroe go on a big trip because of the keys, and they find where the keys are," he said. "We see what the keys fit and we find out what's in that, and it's mindblowing. It will change things." 

"Grimm" season 5 episode 4 "Maiden Quest" is scheduled to air on Nov. 20 on NBC.