Castiel was walking around the city trying his best to keep a low profile he walked past a lake and saw two girls being shoved by a group of boys Castiel tried to ignore it but then heard one of the girls yell “NO SHE CAN’T SWIM!” That caught Castiel’s attention and he looked over at saw the other girl in the water which was you he tried so hard to walk on but he couldn’t so he ran over to the group of people and punched the one that shoved you into the water directly in the nose and they all scurried away the girl looked at Castiel then repeated “Please help she can’t swim,” Castiel nodded and instantly dived in after you in having no time to take any of his belongings off