Sophie Honeywell mysteriously inherits a house on Scribbly Gum Island. However, her arrival threatens to unearth secrets buried by three generations of women living on the island.

As Sophie settles into Scribbly Gum Island, she starts to dig further into the Munro mystery, and prepares to host the family for their first monthly dinner party since Connie's death.

Sophie discards one unsuitable suitor just as another enters her life; Grace continues to struggle with motherhood, and her own mother, Enigma; Sophie and Veronika make a big discovery in the Baby Munro mystery.

A DNA test brings answers about Enigma's parentage but the news pushes Rose further into her shell; Sophie explores her fling with Zeke and connects with Callum; Grace tries to find some peace.

After more frustrating encounters with the men on the island, Sophie decides it is time to leave; Margie and Veronika uncover more clues about Alice and Jack in Connie's old family photographs.

As the truth behind Jack is revealed and the last anniversary party kicks off, more secrets are unearthed on Scribbly Gum Island.