It's the 2nd war and the Todoroki family just beat dabi/Touya and he's now basically on his death bed.

Dabi: "I hate all of you... but" Shakely grabs a paper out of his coat pocket. "I guess you're the only hope for her..."

Endeavor takes the paper and Dabi passes out. The paper has an address on it

Endeavor: "The hell?"