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

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 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.

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

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

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

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