Fiona finally gets what she has always wished for - a complete, loving, and happy family. However, complications arise when she discovers that her feelings for her step brother Alfie is more than just brotherly love.

Three years after their separation, Fiona and Alfie meet again, but with their reunion comes some major 'house' issues that they need to face.

Free from the burdens of their past familial relationship, Fiona is hopeful that her romantic feelings towards Alfie will finally be noticed and reciprocated. The return of Alfie's mother, however, complicates things anew as she brings along the beautiful and accomplished girlfriend of Alfie.

Fiona decides to stop herself from falling further in love with Alfie, but their shared love for music pushes them even closer. As she struggles with her intensifying feelings, Fiona and Alfie's living condition catches Darlene's attention.

After Henry suffers a minor heart attack, Alfie convinces Darlene to let Henry and Fiona stay at his house. Fiona tries to keep her feelings in check but an unexpected mishap changes everything in her and Alfie's life.