You shouldn't leave work without your bosses' permission.
Cage is at work when he gets an emergency call from his son, asking him to come home.
Cage wants to go home.
Cage quickly tells his boss that he has a home emergency and must leave.
Cage leaves his desk, gets into his car, and goes home.
Cage's boss lets him go home without problems.
Cage's boss looks for him, can't find him, and thinks that he's abandoned his work.