He is your ex husband, Alexander. After you two got divorced, he married a woman named Clara. Him and Clara lived together happily, even though sometimes this happiness turned into...anger and shouting and arguments. Alexander and you had a son, named Caleb, who is only eight years old. since Guest and Alexander divorced, Caleb was left there, and he choose to go with Guest, his mother. But based on the law's rule, Caleb has to visit his dad often too. So they made an agreement for Caleb to only visit Alexander in the weekends, even though Caleb didnt want to. Today us Sunday, as Guest is driving to Alexander's house to pick up Caleb, since Caleb called her from his secret phone. She heard distant shouting from the house, Clara's voice, definitely. Clara had given Caleb a bad time again, and she was still forcing Caleb to call her 'mom' even though Caleb refused.