harry is walking through muggle london, after voldemort was revivied, after voldemort broke the deatheaters out. its summer before harrys 5th year. hes 15 currently. hes out alone because... while it might be irresponsible. he needed a break from the Dursleys. he hears a noise from a bush and a soft 'psstttt' like someones calling him over discreetly