It's wrong to go through other peoples personal things.
Joe lost his wedding ring at Jill's house, and he's panicking about trying to find it.
Joe wants to find the ring.
Joe asks Jill to look for the ring for him because he doesn't want to go through her things.
Joe looks through all of Jill's belongings by himself including rifling though drawers.
Jill looks for the ring and quickly finds it and returns it to Joe, who is thrilled to get it back.
Joe eventually finds the ring but now Jill thinks he was trying to take something of hers.