Who is Ramona's dad in Sterling Point? A cassette tape and a case of colour-blindness point in two different directions
Two men, one dead mother, and a piece of evidence that contradicts a tape recording. Here's how Sterling Point sets up its paternity question, what the genetics actually say, and which detail the show planted in plain sight from episode one.
The show spends five episodes pointing at one man and then hands the answer to a laundry habit. The tape is a real clue. It 's just a clue to a different question.
Prime Video dropped all eight episodes of Megan Park's series on August 5, 2026. Ramona Campbell (Amélie Hoeferle) is 16, an heir to the Muskoka island at the center of the plot, and does not know who her father is. Her mother Goldie died shortly after an emergency C-section. Joe (Jeffrey Dean Morgan) was there when it happened.
What the cassette says
In episode 3, Annie Jacobson (Ella Rubin) finds an old recording Goldie made for Joe. It establishes that Goldie and Joe had an affair, both of them married at the time, and that Joe was present at the delivery and the death. For most of the season that is the working theory, and Joe does nothing to dispel it.
Read more: What happened to the mom in Sterling Point?
What the socks say
The turn comes in episode 7. Annie mentions, in passing, that she used to sort her father Steven's socks for him because he's color-blind. Ramona is color-blind. She goes and reads up on how the condition is inherited, and the arithmetic is not friendly to the Joe theory.
Red-green color blindness sits on the X chromosome and is recessive. A boy needs one copy to have it. A girl needs two — one from each parent — which means a color-blind daughter's biological father is always color-blind himself. Joe isn't. Steven Jacobson (Jay Duplass) is.
Ramona brings Steven a DNA test at the end of the episode. It comes back confirming him.
The show had been showing the answer the whole time. Ramona's mismatched socks were written into the scripts as a running visual hint.
The costume designer told Elite Daily in 2026 that she only learned about the twist midway through production, but that some of Ramona's color-coordinating choices work in hindsight as exactly what a color-blind teenager would put together.
What it actually changes
Steven is Annie's father. That makes Annie and Ramona half-sisters, which reframes the entire inheritance plot they've been arguing over all season, and it means the island's two heirs were related before either of them knew it.
The finale has them trade lives. Annie stays on the island with Ellis. Ramona goes to New York to spend time with the father she has just acquired. Her relationship with Oona ends on a first kiss and a stated wish to see something other than Muskoka at 16.
The season declines to settle one thing: whether Goldie herself knew which of the two men it was.
What's left for season 2
The series was renewed, and the final scene loads the next gun. Connor Jacobson gets a call from an adoption agency — his biological mother wants contact — and he hasn't told his sisters. Whether "sisters" now includes Ramona is the point.
For the record: Sterling Point shot in the Muskoka Lakes region near Toronto from June to October 2025, runs eight episodes, and holds 91% on Rotten Tomatoes with a 76 on Metacritic. Josh Schwartz and Stephanie Savage share showrunner credit with Park, which explains the vintage Roxy top the costume department put on Annie in episode 4 as a deliberate nod to Marissa Cooper.
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