Natalie Lawson, a busy single mother of three from a close-knit, charmingly imperfect extended family, struggles to find space for herself in her own life. When she finally resolves to change things for the better, she learns that her cancer, which has been dormant for two years, has returned with a vengeance.
Natalie struggles to track down and confide in her sister Maggie, who's in the middle of a lively (and unexpected) romantic encounter. And, despite her diagnosis, Natalie seeks to help her three children balance their problems with school and life, and later kindles an attraction with her daughter's principal, agreeing against all reason to see him for dinner. Maggie's inability to keep her sister's secret turns a family yard sale into an emotional minefield as the members of the extended Lawson clan rally around, while trying to keep the news of Natalie's cancer from the kids.
Natalie has a biopsy that will determine how much time she has left; Oliver returns home.
Waiting for her biopsy results, Natalie gets closer to Andrew; Oliver bonds with Romy; Janine discovers something troubling about her son.
Natalie can't bring herself to tell her kids about her cancer; Maggie and Oliver make destructive choices; Janine questions her faith.
Natalie finally comes clean to her kids; Matthew faces an old mistake; Oliver and his parents reach a breaking point; Maggie is drawn deeper into a relationship.
Natalie plans a birthday dinner for Emma; Oliver's troubles from L.A. catch up with him in Montreal; Matthew faces a dilemma.
Natalie tries to persuade Caleb to accept responsibility; Maggie and Oliver go to LA to fix Oliver's loose ends.
Natalie and Andrew's relationship is put to the test; Emma accidentally throws a house party; Caleb and Danielle comfort each other.
Upon making a life-altering decision, Natalie is confronted with the return of a person she never wanted to see again.