db={folder:[{"_id":ObjectId("64fb3cf27f6c107e984015a1"),videos:[ObjectId("650ecb80507561a33ce927a1"),ObjectId("6532fac356f8d7eb43c714a1")]},{"_id":ObjectId("64fb3cf27f6c107e984015a2"),videos:[ObjectId("650ecb80507561a33ce927a2"),ObjectId("64f8cd127f6c107e984014a2")]}],videos:[{"_id":ObjectId("650ecb80507561a33ce927a1"),access:[ObjectId("650ecb80507561a33ce927a5")]},{"_id":ObjectId("6532fac356f8d7eb43c714a1"),access:[ObjectId("650ecb80507561a33ce927a3"),ObjectId("650ecb80507561a33ce927a4")]}],access:[{"_id":ObjectId("650ecb80507561a33ce927a3")},{"_id":ObjectId("650ecb80507561a33ce927a4")},{"_id":ObjectId("650ecb80507561a33ce927a5")}]}

db.folder.aggregate([{"$lookup":{"from":"videos","localField":"videos","foreignField":"_id","as":"videos"}},{"$match":{"videos.access":ObjectId("650ecb80507561a33ce927a5")}}])