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 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.