A handwritten note, a blue balloon, and the kindness of a stranger have sparked a wave of compassion across Johannesburg.

Broadacres social worker Bianca Will is hoping to reach the person behind an emotional message that unexpectedly landed in her driveway this week.

Bianca says she found a blue balloon outside her home with a handwritten note attached — and after reading the message, she immediately became concerned about the person who had sent it.

“I read the note and I was really concerned about this person,” she told HOT 1027 News. “They’re in a really dark place and it just left me feeling so uneasy and so worried.”

Not knowing where the balloon had come from, or how far it had travelled before reaching her home, Bianca decided she couldn’t simply let it go.

Instead, she turned to social media, hoping that the power of community could help her find the stranger behind the words.

“I gave it some thought and I thought, ‘No, I’m going to reach out to see if I can possibly help,’” she explained.

Her post has since been shared widely, with Joburg residents joining the search and leaving messages of care and encouragement for someone they have never met.

And while Bianca is hoping the person who sent the balloon sees her message, she says the most important thing is that they know support is available.

“I’m here if you need to chat,” she said. “Even if it’s not me, there are so many helplines that are anonymous that could assist you in this time of need.”

The search for the person behind the balloon has become a powerful reminder that even in difficult moments, kindness can arrive in unexpected ways.

If you are struggling or need someone to talk to, the South African Depression and Anxiety Group (SADAG) offers free support on 0800 567 567.