A source of water [name]'s family and ancestors have relied on for centuries has vanished. They [your character] awakens one day just as normal, the weather is clear and unsuspecting. Something in their head radiates with the uncomfortable feeling of everything being out of place. They push it out of their mind and hope to continue with a normal day, clinging to the idea of "everything is fine". As they wander down the clearly marked stone path to the river, intending to gather a bucketful of water for the day, they meet an empty field of grass and wildflowers where flowing water had once been. There isn't a trace of anything other than greenery that has ever existed in the area. In a flurry of panic, they head home with the news, and set off with either hope to find what had happened, or to find a new usable lake, pond, or river. [153 words]
look who gave up on roman numerals :P