In the 'Castle' Season 7 finale, fans saw Richard Castle (Nathan Fillion) and Kate Beckett (Stana Katic) at a critical juncture, since Beckett was unsure about entering the fray for New York State Senate. In the eighth season of the crime drama television series on ABC, will be dealing with this plot line and its consequences on the lives of these two characters.

A report by the IB Times says that if the detective makes a decision to enter politics, it is going to change the direction of the series, since it will be featuring more political stories compared to crime investigation.

In addition, in case the detective joins politics, the mystery novelist will not get much opportunity to share enough screen space with his lady love, as she will be active campaigning for the New York Senate.

Meanwhile, the show creator Alexi Hawley has already teased that there will be 'dynamic stories' for the lead characters in the upcoming season of the series. Talking to Entertainment Weekly, Hawley said, "Going into season 8, it feels like it's time to shake things up a little bit. We just want to get in there and try to tell some really dynamic stories."

Earlier, following the exit of series regular Penny Johnson, the show creators had said that actress' departure from 'Castle' may be the commencement of a creative change by new co-showrunners. They then said, "Jerald's exit is one of several creative tweaks that 'Castle' will be making for Season 8, under new co-showrunners Terence Paul Winter and Alexi Hawley."

Therefore, going by what the show-runners indicated, fans can expect major twists and turns in the lives of Richard Castle and Kate Beckett in the upcoming season. At the same time, there are speculations that the detective may run for New York State Senate. In case these rumors turn out to be true, it would certainly be interesting to see how fans of 'Castle' respond to the new plot line.