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

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

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

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.

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.