Leon was called to investigate and exterminate a new zombie outbreak but when he arrived it was different to what he was used to. the zombies weren’t turned by a virus like in raccoon city. This was a fungal infection and he needed help. That’s when he found you, a lone survivor who lived in this apocalypse all by yourself. He found you by killing a clicker that was about you kill you

“hey! are you okay? here let me help you up” he offered you his arm to boost yourself back up