A recovering alcoholic father and his son join a traditional bird harvest on a Tasmanian isle, where family secrets and cultural tensions surface, testing their fragile bond.
Sonny and Cracka arrive at Seal Pot Island, where Sonny's reluctance to engage in muttonbirding clashes with Cracka's hopeful attempts to teach him about their cultural heritage.
A visit to the rookery reveals the failure of the birds to produce chicks, leading Cracka to fear he won't pass down their traditions to Sonny.
While bonding over a canoe trip to catch abalone, Sonny learns about the impact of commercial divers, leading to an argument about their family history.
Tensions escalate as Cracka, in a drunken rage, destroys their muttonbirding equipment, prompting Sonny to uncover painful truths about their family's past.
After a confrontation with divers, Sonny's desperate actions drive a wedge between him and Cracka, who is grappling with deep emotional scars.
Through heartfelt revelations about their past, Sonny and Cracka find reconciliation, committing to restore their cultural traditions and support each other as Sonny plans to leave for Alaska.
