Missing Persons (джен)

An invisible red thread connects those who are destined to meet, regardless of time, place, or circumstance. The thread may stretch or tangle, but will never break. - Ancient Chinese belief
A series of alternate ways that John and Sherlock could have met. PROMPT FIC
Prompt #13: Sherlock is a teenage budding detective, who takes daily walks through crowded city areas (Mall, park, city street, etc...) to further practise and develope[sic] his skills. John stops Sherlock mid-way through one of his walks and asks for help finding something.