Natalie Lawson, a single mother of three, finds her plans to change her life for the better derailed when she learns her cancer has returned.

Natalie confides in her sister Maggie about her diagnosis while attempting to keep it hidden from her teenage children.

Natalie undergoes a biopsy that could determine how much time she has left, while her brother Oliver returns home after years away.

Natalie gets closer to Andrew as she awaits her biopsy results. Oliver bonds with Romy while Janine learns something very troubling about her son.

Natalie can't bring herself to tell her kids about her cancer. Maggie and Oliver make self-destructive life choices instead of facing their problems. Janine questions her faith.

Natalie finally levels with her kids. Matthew is driven to face an old mistake. Oliver hits a breaking point with his parents. Maggie is drawn deeper into a polyamorous relationship.

Natalie organizes a birthday dinner for Emma that nobody wants. The problems Oliver ran from in LA catch up to him in Montreal. Matthew is faced with an impossible dilemma.

Natalie struggles to convince Caleb to accept responsibility for his criminal actions. Maggie and Oliver travel to LA to resolve Oliver's loose ends with Tom.

Natalie and Andrew put their relationship to the test. Emma throws an accidental house party. Caleb and Danielle turn to each other for comfort.

Before making a life-altering decision that comes with major risks, Natalie is confronted with the return of someone she'd rather never see again.