The CW reveals Official Synopsis of Reign episode A Grain of Deception

The CW has released the Official Synopsis of Reign episode “A Grain of Deception” (4.02) that will be aired on Friday, February 17 at 08:00-09:00 PM.

OFFICIAL SYNOPSIS

A SPY THREATENS MARY’S TRUST WITHIN HER INNER CIRCLE

Queen Mary (Adelaide Kane) discovers there is a leak amongst her advisors and sets out to uncover the traitor. Queen Elizabeth (Rachel Skarsten) enlists in Narcisse (Craig Parker) to further her quest for supremacy. Meanwhile, Catherine (Megan Follows) takes desperate measures to regain some of the power she has lost.

Spencer MacPherson, Will Kemp, Dan Jeannotte, Jonathan Goad, Ben Geurens, Celina Sinden and Rose Williams also star.

“A Grain of Deception” (#402) was written by Patti Carr & Lara Olsen and directed by Fred Gerber.

Reign, hidden between the lines of the history books is the story of Mary Stuart, the young woman the world would come to know as Mary, Queen of Scots. The teenage Mary is already a headstrong monarch – beautiful, passionate and poised at the very beginning of her tumultuous rise to power.

Reign is from CBS Television Studios and Warner Bros. Television with executive producers Laurie McCarthy and Frank Siracusa.