A Wish turned into a Reality!

Kate is toddling in the stream and humming along as the cold temperature is rejuvenating her from the daily grind. 
"Are you done?" came an urgent inquiry, "Can we go to see that waterfall around the corner?"
She turned towards him, "Nah! not yet. I am loving it to such an extent that I wanna merge into it." replied with a giggle.
Just then a loud shriek was heard, followed by panic, agitation