Upon entering the Hive Leon's team was immediately ambushed by hordes of the undead, resulting in the loss of all of his men, except Chris.
Leon knew they were in danger and needed to find somewhere to hide from the remaining undead.
Using the map Wesker had given him, Leon spotted a room that seemed to be hidden near the network of tunnels inside the Hive.
"Chris, I found a place where we can hide out until we figure something out."
"Okay."
On their way to the hidden room, they were once again attacked by some of the hungry undead resulting in Chris being bitten.
"Quick, we need to find a vaccine for you, Chris."
"Just leave me and save yourself."
"No, I can't do that because I love you."
"I know."
Leon grabbed Chris around the waist then hoisted him up.
"Apparently, there's a lab near the room we are going to so maybe, we'll find a vaccine."
Eventually, they came across a large vaulted door where Leon slowly opened.
When he knew the coast was clear he grabbed Chris by the waist and made his way towards the infirmary.
Finally, Leon found the room which was accessed through another vaulted door.
Opening it, he scanned the room and when he knew it was safe brought Chris inside and laid him down on one of the beds.
Leon searched the infirmary for a vial and found one containing a purple colored substance which he knew, was the vaccine.
After treating Chris's wounds he administered the vaccine then laid next to him.
"Now, we wait and see..."