Hayate cannot bring himself to return to the Sanzenin mansion after he damages the cashmere coat that Maria lent him. While contemplating on what to do, he meets the "generous" people who tried to take him away and ends up fighting them all!
Because, I mean, she put in detergent 
instead of oil by mistake, right?
Es que le echó detergente 
en vez de aceite por error.
Ela confundiu detergente com óleo, não foi?