The Search for Cloud
Fly to Icicle Inn and talk to the people there. Several mention Mideel Island to the south and a good doctor who lives there. This is your clue to Cloud's whereabouts-hop back in the Highwind and head to Mideel.
While exploring the island, you'll find a lonely dog in the middle of town. As Tifa stops to pet the pup, she overhears two people talking about a "pokey-headed" guy washing up on shore. Sure enough, it's Cloud ... but something is wrong.
He's been exposed to an extreem amount of Mako energy and has contracted Mako poisoning. Tifa stays with Cloud for the moment, while the rest of the team looks for a way to stop Meteor.
With the rest of the team back on the airship, Cait Sith shares some information. Shinra is continuing to collect Huge Materia for their Super Weapon. They've already raided the Nibelheim Reactor and are preparing to collect from the Corel and Fort Condor Reactors.
Have Cid create a new team of three and head for North Corel.