Eye-in-the-sky noun phrase informal
Surveillance above your head or in the sky, such as a camera or a police helicopter
The eye-in-the-sky in the store can prove that I didn't steal your phone.
Eyes-in-the-sky have helped the police a lot in solving cases.
Used to indicate that helping each other or working together toward the same goal will have advantages for everyone who is involved
The relationship between fashion and film is that one hand washes the other and both wash the face.