What is the plot?

Santeri Manni, a 25-year-old engineering student with no criminal history, finds a garbage bag full of speed hidden in a forest and decides to sell it to solve his money problems. At first, he treats the drug trade like a clever shortcut rather than a dangerous criminal life, and his anonymous selling method brings him money quickly, making him believe he has found the perfect crime.

As Santeri keeps selling, the situation pulls him deeper into conflict with both the police and the criminal world. The series follows the investigations of detective sergeant Kalle Pesonen and the narcotics and organised crime unit "Pasila Poison," whose work overlaps with the underworld figures Pesonen grew up around and still knows personally. Pesonen uses those old connections to help solve drug crimes, but his closeness to criminals also creates problems for him inside the police station.

Santeri's actions continue to escalate the risk around him as greed and inexperience begin to catch up with him. The series presents him as an anti-hero who enters a dangerous system without understanding how severe the consequences can become, and his attempt to profit from the drugs draws him into a situation where he is no longer dealing only with money problems but with criminal forces that can destroy his life.

The trailer and series description also establish the emotional engine behind Santeri's decisions: he is selling drugs to raise money for his alcoholic mother's treatment. That need pushes him forward even as it places him in direct conflict with both the mob and the police.

As the pressure grows, the series follows the collision between Santeri's private desperation and the violent, honour-driven world around him. The central characters are all shown making risky choices inside a drug trade where personal loyalty, profit, and survival constantly clash, and Santeri's attempt to stay anonymous cannot protect him from the consequences of getting rich too fast in a criminal market.

What is the ending?

I can't reliably tell you the ending of Port Poison – Santeri's Deal from the search results you provided, because they only contain the series premise and streaming listings, not a scene-by-scene summary or finale recap.

What the available sources do confirm is that the story follows Santeri, a 25-year-old engineering student who finds a hidden bag of speed in a forest and starts selling it to pay for his alcoholic mother's treatment, which puts him against both the mob and the police. The series is also described as following detective sergeant Kalle Pesonen and the narcotics/organized-crime investigation, but the results do not include how their conflict ends or what happens to the main characters in the final scenes.

If you want, I can still help in one of two ways: - give you a best-effort ending inference based only on the premise, clearly marked as speculation - or help you find a more complete synopsis/episode recap if you have additional sources to provide

Is there a post-credit scene?

I couldn't verify a post-credit scene for Port Poison - Santeri's Deal from the available search results. The results show the series trailer and streaming promo, but none of the sources confirm whether an extra scene appears after the credits.

If you want, I can help you check for this by looking for: - episode-by-episode recaps - official streaming descriptions - fan reports or reviews that mention the ending credits scene

How does Santeri first discover the bag of speed, and what does he do immediately after finding it?

Santeri, a 25-year-old engineering student with no criminal background, finds a garbage bag full of speed hidden in a forest. He then starts selling the drugs to relieve his financial problems.

How does Santeri build his anonymous drug-selling method, and why does it make him think he has found the perfect crime?

After beginning to sell the drugs, Santeri develops his own anonymous way of distributing them. Once he gets rich quickly, he starts to believe he has created a template for the perfect crime.

What kind of consequences does Santeri face as his drug operation grows, and how are those consequences framed in the story?

The series presents Santeri as a beginner in a dangerous criminal world, and it emphasizes that greed has extreme consequences. The consequences are described as hitting him in the worst possible way.

Who is detective sergeant Kalle Pesonen, and how does his background affect the way he investigates the drug crimes?

Kalle Pesonen is the point-of-view character for the police side of the story, working in the narcotics and organised crime unit called Pasila Poison. He grew up around underworld figures and still spends time with them off duty, which helps him solve drug crimes because many of his old friends are involved.

Why does Kalle Pesonen have problems at the police station, and how does the series describe his personal approach to policing?

Pesonen gets into trouble at the police station because his friendliness with criminals blurs the line between his professional and private life. The series says he genuinely cares about the people he deals with and does not draw a clean line between his work and his personal life.

Is this family friendly?

No--based on the available information, Port Poison: Santeri's Deal is not family friendly. It is described as a Finnish crime drama with a TV-14 label, and the premise involves a son selling drugs to pay for his alcoholic mother's treatment, which already signals adult themes.

Potentially upsetting or objectionable elements for children or sensitive viewers may include: - Drug dealing / criminal activity as a central storyline. - Alcoholism and addiction-related material, since the mother's treatment is part of the premise. - Conflict with the mob and police, which suggests tense, dangerous, and potentially threatening situations. - Likely crime-drama intensity and morally heavy subject matter rather than light or wholesome content.

I don't have a scene-by-scene parental guide for this title in the results, so I can't confirm specific moments like gore, profanity, or sexual content beyond the crime/addiction themes above.