Spoiler warning: Spoilers for the complete dramatized series; discussion of stalking and sexual abuse.
The final free drink puts Donny in the position Martha occupied when their story began. Baby Reindeer closes on that echo after the criminal case is resolved, showing how much remains emotionally unsettled for its protagonist.
What happens to Martha?
In the drama, she pleads guilty, receives a nine-month prison sentence and is subject to a five-year restraining order. These are events in the series, not a basis for identifying or making claims about private people outside it.
Donny nevertheless returns to her recordings. He has filed the messages into categories and listens again for the attention and reassurance they contain. The end of contact does not automatically end his attachment to what the contact provided.
His visit to Darrien likewise ends without a clean confrontation that repairs the past. An offer of work from his abuser leaves him overwhelmed rather than triumphant.
Why does she call him Baby Reindeer?
In a previously unheard voicemail, Martha explains that Donny resembles a childhood toy that comforted her during conflict at home. The nickname connects her fixation to something she associated with safety.
Understanding that association does not excuse stalking. It explains why tenderness and control can appear together in the messages Donny keeps revisiting.
For him, the recording supplies another explanation at the moment he is least equipped to hold it at a safe distance. Information can make a person more comprehensible without making the harm easier to leave behind.
Is Donny becoming another Martha?
The bartender gives him a drink after he realizes he has forgotten his wallet. That repeats the initiating act of kindness, but the show does not depict Donny going on to stalk anyone.
The parallel invites recognition rather than a prediction of identical behavior. He now understands something about being distressed, exposed and helped by a stranger.
A legal ending has supplied boundaries Martha crossed. The last scene stays with the slower task of living inside those boundaries after abuse, without pretending insight arrives as a complete recovery.
Sources: official ending breakdown.