Cal works with Maggie as she fights to save the Crossing, while a careless mistake may cost someone their life.

Maggie enlists Cal’s help when Sully becomes convinced he needs to take drastic measures to make amends with Lola.

Things start to heat up between Maggie and Cal when they're forced to take shelter at Cal's cabin.

Maggie's world is turned upside down after she learns some devastating news about her stepfather.

Reeling over the news of Maggie's pregnancy, Cal receives a visitor; Phoebe and Sully start to bond over the idea of being grandparents.

Maggie helps care for Cal's sister and in the process learns more about his past.

Maggie's medical training is put to the test as she races against the clock to save the life of a friend.

Uncertain about her own future as well as that of the Crossing, Maggie tries to find a way to help Sully.

Maggie struggles to make sense of her personal life. Sully deals with some financial challenges.

Maggie, Cal, Lola, and Sydney help Edna prepare the campground for a storm as Frank helps Sully to figure out what's been eating at him.

Maggie searches for clues regarding the cause of Sully's condition as she struggles to make a decision about her own future.

Tensions escalate as Maggie returns to Sullivan's Crossing with Andrew.

Maggie returns to Boston prepared to face the consequences of her actions, while Cal searches for closure of his own.

Maggie and Cal work against the clock in a daring medical rescue, and in the process discover a clue to the whereabouts of a missing camper. Maggie learns a little more about Cal’s past, while Sully receives disturbing news.

Sully tries to hold things together at Sullivan's Crossing, while Maggie attempts to navigate complications back in Boston, Mass.

Maggie Sullivan returns to the Crossing to find Sully in the hospital, struggling with the feeling that he's forgotten something; Cal Jones is confused when Maggie gives him the cold shoulder, unaware that Lola pocketed his goodbye letter.

Sydney attempts to cheer up Maggie after she suffers a setback back at home. Frank and Edna help Sully, with the annual land blessing, but the festivities end early after a camper goes missing. Maggie and Cal work together with the search and rescue team unaware that another life hangs in the balance.

Maggie makes a difficult decision after Sully lets his temper get the best of him.

Maggie sees Cal in a new light after they help an injured resident and spend time together at karaoke.

When neurosurgeon Maggie Sullivan's seemingly perfect life in Boston is turned upside down, she leaves the city and her boyfriend, Andrew, to return to her childhood home of Sullivan's Crossing in Nova Scotia.

Maggie tries to embrace her new life at the Crossing as she struggles to move past the loss she suffered the night of the diner fire.

Maggie and Cal's relationship starts to heat up; Sully realizes he has some things in common with Helen.

Maggie accompanies Cal to visit his parents; Sully and Frank get to the bottom of who's behind the new development.

Maggie tries to help Cal deal with his conflicted feelings towards his father; Sully worries about how he will compete with the new development.