As Maggie digs into the reasons for her ex-husband Liam's return, Cal finds himself struggling with feelings of jealousy as tensions at the Crossing rise.

Maggie and Cal continue to deal with the fallout of Liam's arrival.

Maggie looks for a doctor to support her application to the board of physicians and Cal discovers information that causes him to question Maggie's history with Liam.

Maggie's residency gets off to a rocky start as Cal shows Ben the ropes at the Crossing and begins to wonder if Liam has any intention of leaving.

Maggie tries to figure out what's causing Tracy's fever as Cal learns that Ben hasn't been honest with them and Liam finally comes clean about what happened in the past.