CW | 9:00 pm

A problematic birth threatens the lives of both Mary (Adelaide Kane) and the child she intends to bear in the new episode "Blood in the Water." Elizabeth (Rachel Skarsten) is troubled to learn of the close proximity of someone responsible for the death of a person she loved. Dan Jeannotte, Jonathan Goad, Celina Sinden, Megan Follows, Craig Parker, Ben Geurens, Rose Williams, Will Kemp and Spencer MacPherson also star.