Following the murder of her family at the hands of her father in the wake of World War I, a young woman is sent to live in a convent. However, her demons follow and manifest themselves in ways which bring the nightmares of her past with her.
Relationships are challenged at Station 19 following Sullivan's actions at Maya and Carina's wedding, putting his marriage with Andy to the test. Dean comes to terms with his feelings for Vic, while Travis rekindles an old flame.