If it'd been anyone else, the major concern would have probably just been the stings, but for Schneider, who is allergic to bees, it was a life-and-death situation.
Arianna, who was sitting in the back of the truck when it happened, managed to stay calm and did her best to communicate with 911 dispatchers and make sure her dad was OK.
"His face was turning purple and I knew that was not a good sign, and then he was, like, rapidly sweating, dripping of sweat," Arianna said .
When the bees came at Schneider in full force, he said all he could think of was protecting Arianna.
"I remember running from them, trying to protect my daughter and they kept sticking to my shorts, they were in the laces of my boots, I was just kept trying to get away from them because they kept coming and coming and coming," Schneider said.
The father and daughter eventually made it into the house, but just when they thought the danger was over, Schneider went into anaphylactic shock and was struggling to breathe.
Arianna quickly dialed 911, and her call was picked up by Brewster Ambulance. She managed to keep her dad awake and calm until first responders arrived, rushing Schneider to the hospital.
Arianna: "Oh no, his face is turning red."
Arianna: "And he fell on the floor."
911: "OK, OK."
Arianna: "He's shaking."
911: "Is he completely alert or no?"
Arianna: "He's not completely alert, he's trying to talk."
911: "Make sure you say, 'Dad, help is on the way.'"
Schneider was released from a hospital just a few hours later, thankful and knowing that, if Arianna hadn't been there, things could've taken a turn for the worst.
"I don’t think I’d be standing here today right now if she wasn’t there with me," Schneider said.
Arianna also knows how important it was for her to act quickly and calmly in such a stressful situation.
"I don't want him to be like that, I really love my dad, and I hope he's always ok," Arianna said.
Braintree firefighters tweeted about the incident, calling Arianna a "little hero."
The Fire Department and Brewster Ambulance are both planning something special to honor Arianna. She only knows that much, so the rest can be a surprise.