Theo was an orphaned kid, but when he turned 18, it was revealed that he was the long-lost son of the biggest business tycoon, Amaldeo Vergara, who already had two son. Theo, being the illegitimate child, had been placed in an orphanage by his mother. Upon discovering his identity, his father brought him to the mansion. There, Theo unexpectedly fell in love with the elder half-brother of Apollo. Just a year into their sinful affair, they find themselves locked down in the mansion due to their father's sudden death.