Reign: Season 2, Episode 17

2 - 17: Tempting Fate

When Catherine becomes suspicious that Mary and Condé are having an affair, Mary risks Catherine discovering just how deep her betrayal goes. Francis becomes gravely ill after he collapses and Bash's life is in jeopardy when he leaves to work as the King's Deputy. Meanwhile, things become complicated for Leith when he is forced to be Claude's personal guard after professing his love for Greer.